Home / 86,434.76-129,674-24,105.24

Finding the Fourth Proportional to 86,434.76, 129,674 and 24,105.24

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Solution

The fourth proportional to 86,434.76, 129,674 and 24,105.24 is: 36,163.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,434.76 : 129,674 = 24,105.24 : x
  2. Step 2: Convert to fraction form
    86,434.76/129,674 = 24,105.24/x
  3. Step 3: Cross multiply
    86,434.76x = 129,674 × 24,105.24
  4. Step 4: Simplify right side
    86,434.76x = 3,125,822,891.76
  5. Step 5: Solve for x
    x = 3,125,822,891.76/86,434.76
  6. Step 6: Final answer
    x = 36,163.96

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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.