Home / 78,760.91-118,125.25-22,585.97

Finding the Fourth Proportional to 78,760.91, 118,125.25 and 22,585.97

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Solution

The fourth proportional to 78,760.91, 118,125.25 and 22,585.97 is: 33,874.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,760.91 : 118,125.25 = 22,585.97 : x
  2. Step 2: Convert to fraction form
    78,760.91/118,125.25 = 22,585.97/x
  3. Step 3: Cross multiply
    78,760.91x = 118,125.25 × 22,585.97
  4. Step 4: Simplify right side
    78,760.91x = 2,667,973,352.74
  5. Step 5: Solve for x
    x = 2,667,973,352.74/78,760.91
  6. Step 6: Final answer
    x = 33,874.33

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1.5x scale

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.