Home / 86,442.72-129,677.91-36,523.29

Finding the Fourth Proportional to 86,442.72, 129,677.91 and 36,523.29

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Solution

The fourth proportional to 86,442.72, 129,677.91 and 36,523.29 is: 54,790.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,442.72 : 129,677.91 = 36,523.29 : x
  2. Step 2: Convert to fraction form
    86,442.72/129,677.91 = 36,523.29/x
  3. Step 3: Cross multiply
    86,442.72x = 129,677.91 × 36,523.29
  4. Step 4: Simplify right side
    86,442.72x = 4,736,263,913.52
  5. Step 5: Solve for x
    x = 4,736,263,913.52/86,442.72
  6. Step 6: Final answer
    x = 54,790.78

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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.