Home / 47,781.92-71,673.11-14,502.28

Finding the Fourth Proportional to 47,781.92, 71,673.11 and 14,502.28

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Solution

The fourth proportional to 47,781.92, 71,673.11 and 14,502.28 is: 21,753.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,781.92 : 71,673.11 = 14,502.28 : x
  2. Step 2: Convert to fraction form
    47,781.92/71,673.11 = 14,502.28/x
  3. Step 3: Cross multiply
    47,781.92x = 71,673.11 × 14,502.28
  4. Step 4: Simplify right side
    47,781.92x = 1,039,423,187.58
  5. Step 5: Solve for x
    x = 1,039,423,187.58/47,781.92
  6. Step 6: Final answer
    x = 21,753.48

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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.