Home / 86,244.38-129,387.32-36,338.75

Finding the Fourth Proportional to 86,244.38, 129,387.32 and 36,338.75

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Solution

The fourth proportional to 86,244.38, 129,387.32 and 36,338.75 is: 54,516.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,244.38 : 129,387.32 = 36,338.75 : x
  2. Step 2: Convert to fraction form
    86,244.38/129,387.32 = 36,338.75/x
  3. Step 3: Cross multiply
    86,244.38x = 129,387.32 × 36,338.75
  4. Step 4: Simplify right side
    86,244.38x = 4,701,773,474.65
  5. Step 5: Solve for x
    x = 4,701,773,474.65/86,244.38
  6. Step 6: Final answer
    x = 54,516.87

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1.5x scale

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.