Home / 86,275.92-129,307.32-36,338.52

Finding the Fourth Proportional to 86,275.92, 129,307.32 and 36,338.52

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Solution

The fourth proportional to 86,275.92, 129,307.32 and 36,338.52 is: 54,462.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,275.92 : 129,307.32 = 36,338.52 : x
  2. Step 2: Convert to fraction form
    86,275.92/129,307.32 = 36,338.52/x
  3. Step 3: Cross multiply
    86,275.92x = 129,307.32 × 36,338.52
  4. Step 4: Simplify right side
    86,275.92x = 4,698,836,633.97
  5. Step 5: Solve for x
    x = 4,698,836,633.97/86,275.92
  6. Step 6: Final answer
    x = 54,462.90

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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.