Home / 86,639.04-129,723.66-44,998.56

Finding the Fourth Proportional to 86,639.04, 129,723.66 and 44,998.56

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Solution

The fourth proportional to 86,639.04, 129,723.66 and 44,998.56 is: 67,375.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,639.04 : 129,723.66 = 44,998.56 : x
  2. Step 2: Convert to fraction form
    86,639.04/129,723.66 = 44,998.56/x
  3. Step 3: Cross multiply
    86,639.04x = 129,723.66 × 44,998.56
  4. Step 4: Simplify right side
    86,639.04x = 5,837,377,897.93
  5. Step 5: Solve for x
    x = 5,837,377,897.93/86,639.04
  6. Step 6: Final answer
    x = 67,375.84

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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.