Home / 78,250.32-117,383.94-24,929.72

Finding the Fourth Proportional to 78,250.32, 117,383.94 and 24,929.72

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Solution

The fourth proportional to 78,250.32, 117,383.94 and 24,929.72 is: 37,397.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,250.32 : 117,383.94 = 24,929.72 : x
  2. Step 2: Convert to fraction form
    78,250.32/117,383.94 = 24,929.72/x
  3. Step 3: Cross multiply
    78,250.32x = 117,383.94 × 24,929.72
  4. Step 4: Simplify right side
    78,250.32x = 2,926,348,756.70
  5. Step 5: Solve for x
    x = 2,926,348,756.70/78,250.32
  6. Step 6: Final answer
    x = 37,397.28

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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.