Home / 53,327.40-79,991.10-44,644.20

Finding the Fourth Proportional to 53,327.40, 79,991.10 and 44,644.20

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Solution

The fourth proportional to 53,327.40, 79,991.10 and 44,644.20 is: 66,966.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,327.40 : 79,991.10 = 44,644.20 : x
  2. Step 2: Convert to fraction form
    53,327.40/79,991.10 = 44,644.20/x
  3. Step 3: Cross multiply
    53,327.40x = 79,991.10 × 44,644.20
  4. Step 4: Simplify right side
    53,327.40x = 3,571,138,666.62
  5. Step 5: Solve for x
    x = 3,571,138,666.62/53,327.40
  6. Step 6: Final answer
    x = 66,966.30

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.