Home / 53,299.79-73,551.77-29,100.30

Finding the Fourth Proportional to 53,299.79, 73,551.77 and 29,100.30

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Solution

The fourth proportional to 53,299.79, 73,551.77 and 29,100.30 is: 40,157.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,299.79 : 73,551.77 = 29,100.30 : x
  2. Step 2: Convert to fraction form
    53,299.79/73,551.77 = 29,100.30/x
  3. Step 3: Cross multiply
    53,299.79x = 73,551.77 × 29,100.30
  4. Step 4: Simplify right side
    53,299.79x = 2,140,378,427.03
  5. Step 5: Solve for x
    x = 2,140,378,427.03/53,299.79
  6. Step 6: Final answer
    x = 40,157.36

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.