Home / 86,424.39-129,547.62-33,101.91

Finding the Fourth Proportional to 86,424.39, 129,547.62 and 33,101.91

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Solution

The fourth proportional to 86,424.39, 129,547.62 and 33,101.91 is: 49,618.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,424.39 : 129,547.62 = 33,101.91 : x
  2. Step 2: Convert to fraction form
    86,424.39/129,547.62 = 33,101.91/x
  3. Step 3: Cross multiply
    86,424.39x = 129,547.62 × 33,101.91
  4. Step 4: Simplify right side
    86,424.39x = 4,288,273,657.95
  5. Step 5: Solve for x
    x = 4,288,273,657.95/86,424.39
  6. Step 6: Final answer
    x = 49,618.79

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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.