Home / 53,012.16-73,155.60-29,137.68

Finding the Fourth Proportional to 53,012.16, 73,155.60 and 29,137.68

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Solution

The fourth proportional to 53,012.16, 73,155.60 and 29,137.68 is: 40,209.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,012.16 : 73,155.60 = 29,137.68 : x
  2. Step 2: Convert to fraction form
    53,012.16/73,155.60 = 29,137.68/x
  3. Step 3: Cross multiply
    53,012.16x = 73,155.60 × 29,137.68
  4. Step 4: Simplify right side
    53,012.16x = 2,131,584,463.01
  5. Step 5: Solve for x
    x = 2,131,584,463.01/53,012.16
  6. Step 6: Final answer
    x = 40,209.35

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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.