Home / 87,801.50-121,166.93-47,516.11

Finding the Fourth Proportional to 87,801.50, 121,166.93 and 47,516.11

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Solution

The fourth proportional to 87,801.50, 121,166.93 and 47,516.11 is: 65,572.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,801.50 : 121,166.93 = 47,516.11 : x
  2. Step 2: Convert to fraction form
    87,801.50/121,166.93 = 47,516.11/x
  3. Step 3: Cross multiply
    87,801.50x = 121,166.93 × 47,516.11
  4. Step 4: Simplify right side
    87,801.50x = 5,757,380,330.83
  5. Step 5: Solve for x
    x = 5,757,380,330.83/87,801.50
  6. Step 6: Final answer
    x = 65,572.69

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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.