Home / 86,587.17-129,698.43-44,338.83

Finding the Fourth Proportional to 86,587.17, 129,698.43 and 44,338.83

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Solution

The fourth proportional to 86,587.17, 129,698.43 and 44,338.83 is: 66,414.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,587.17 : 129,698.43 = 44,338.83 : x
  2. Step 2: Convert to fraction form
    86,587.17/129,698.43 = 44,338.83/x
  3. Step 3: Cross multiply
    86,587.17x = 129,698.43 × 44,338.83
  4. Step 4: Simplify right side
    86,587.17x = 5,750,676,639.04
  5. Step 5: Solve for x
    x = 5,750,676,639.04/86,587.17
  6. Step 6: Final answer
    x = 66,414.88

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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.