Home / 53,129.17-73,318.18-29,255.90

Finding the Fourth Proportional to 53,129.17, 73,318.18 and 29,255.90

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Solution

The fourth proportional to 53,129.17, 73,318.18 and 29,255.90 is: 40,373.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,129.17 : 73,318.18 = 29,255.90 : x
  2. Step 2: Convert to fraction form
    53,129.17/73,318.18 = 29,255.90/x
  3. Step 3: Cross multiply
    53,129.17x = 73,318.18 × 29,255.90
  4. Step 4: Simplify right side
    53,129.17x = 2,144,989,195.98
  5. Step 5: Solve for x
    x = 2,144,989,195.98/53,129.17
  6. Step 6: Final answer
    x = 40,373.10

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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.