Home / 78,250.64-117,384.41-24,930.04

Finding the Fourth Proportional to 78,250.64, 117,384.41 and 24,930.04

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Solution

The fourth proportional to 78,250.64, 117,384.41 and 24,930.04 is: 37,397.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,250.64 : 117,384.41 = 24,930.04 : x
  2. Step 2: Convert to fraction form
    78,250.64/117,384.41 = 24,930.04/x
  3. Step 3: Cross multiply
    78,250.64x = 117,384.41 × 24,930.04
  4. Step 4: Simplify right side
    78,250.64x = 2,926,397,805.54
  5. Step 5: Solve for x
    x = 2,926,397,805.54/78,250.64
  6. Step 6: Final answer
    x = 37,397.75

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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.