Home / 52,666.11-72,679.49-28,792.79

Finding the Fourth Proportional to 52,666.11, 72,679.49 and 28,792.79

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Solution

The fourth proportional to 52,666.11, 72,679.49 and 28,792.79 is: 39,734.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,666.11 : 72,679.49 = 28,792.79 : x
  2. Step 2: Convert to fraction form
    52,666.11/72,679.49 = 28,792.79/x
  3. Step 3: Cross multiply
    52,666.11x = 72,679.49 × 28,792.79
  4. Step 4: Simplify right side
    52,666.11x = 2,092,645,001.46
  5. Step 5: Solve for x
    x = 2,092,645,001.46/52,666.11
  6. Step 6: Final answer
    x = 39,734.19

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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.