Home / 82,515.26-123,772.62-29,924.66

Finding the Fourth Proportional to 82,515.26, 123,772.62 and 29,924.66

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Solution

The fourth proportional to 82,515.26, 123,772.62 and 29,924.66 is: 44,886.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,515.26 : 123,772.62 = 29,924.66 : x
  2. Step 2: Convert to fraction form
    82,515.26/123,772.62 = 29,924.66/x
  3. Step 3: Cross multiply
    82,515.26x = 123,772.62 × 29,924.66
  4. Step 4: Simplify right side
    82,515.26x = 3,703,853,570.81
  5. Step 5: Solve for x
    x = 3,703,853,570.81/82,515.26
  6. Step 6: Final answer
    x = 44,886.89

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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.