Home / 86,062.14-129,089.70-29,914.98

Finding the Fourth Proportional to 86,062.14, 129,089.70 and 29,914.98

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Solution

The fourth proportional to 86,062.14, 129,089.70 and 29,914.98 is: 44,871.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,062.14 : 129,089.70 = 29,914.98 : x
  2. Step 2: Convert to fraction form
    86,062.14/129,089.70 = 29,914.98/x
  3. Step 3: Cross multiply
    86,062.14x = 129,089.70 × 29,914.98
  4. Step 4: Simplify right side
    86,062.14x = 3,861,715,793.71
  5. Step 5: Solve for x
    x = 3,861,715,793.71/86,062.14
  6. Step 6: Final answer
    x = 44,871.25

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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.