Home / 86,484.98-129,680.39-39,044.50

Finding the Fourth Proportional to 86,484.98, 129,680.39 and 39,044.50

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Solution

The fourth proportional to 86,484.98, 129,680.39 and 39,044.50 is: 58,545.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,484.98 : 129,680.39 = 39,044.50 : x
  2. Step 2: Convert to fraction form
    86,484.98/129,680.39 = 39,044.50/x
  3. Step 3: Cross multiply
    86,484.98x = 129,680.39 × 39,044.50
  4. Step 4: Simplify right side
    86,484.98x = 5,063,305,760.77
  5. Step 5: Solve for x
    x = 5,063,305,760.77/86,484.98
  6. Step 6: Final answer
    x = 58,545.49

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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.