Home / 86,329.16-129,410.70-44,229.14

Finding the Fourth Proportional to 86,329.16, 129,410.70 and 44,229.14

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Solution

The fourth proportional to 86,329.16, 129,410.70 and 44,229.14 is: 66,301.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,329.16 : 129,410.70 = 44,229.14 : x
  2. Step 2: Convert to fraction form
    86,329.16/129,410.70 = 44,229.14/x
  3. Step 3: Cross multiply
    86,329.16x = 129,410.70 × 44,229.14
  4. Step 4: Simplify right side
    86,329.16x = 5,723,723,967.80
  5. Step 5: Solve for x
    x = 5,723,723,967.80/86,329.16
  6. Step 6: Final answer
    x = 66,301.17

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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.