Home / 53,562.30-73,909.18-29,688.78

Finding the Fourth Proportional to 53,562.30, 73,909.18 and 29,688.78

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Solution

The fourth proportional to 53,562.30, 73,909.18 and 29,688.78 is: 40,966.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,562.30 : 73,909.18 = 29,688.78 : x
  2. Step 2: Convert to fraction form
    53,562.30/73,909.18 = 29,688.78/x
  3. Step 3: Cross multiply
    53,562.30x = 73,909.18 × 29,688.78
  4. Step 4: Simplify right side
    53,562.30x = 2,194,273,385.00
  5. Step 5: Solve for x
    x = 2,194,273,385.00/53,562.30
  6. Step 6: Final answer
    x = 40,966.75

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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.