Home / 94,087.26-129,781.36-55,819.72

Finding the Fourth Proportional to 94,087.26, 129,781.36 and 55,819.72

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Solution

The fourth proportional to 94,087.26, 129,781.36 and 55,819.72 is: 76,996.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,087.26 : 129,781.36 = 55,819.72 : x
  2. Step 2: Convert to fraction form
    94,087.26/129,781.36 = 55,819.72/x
  3. Step 3: Cross multiply
    94,087.26x = 129,781.36 × 55,819.72
  4. Step 4: Simplify right side
    94,087.26x = 7,244,359,176.42
  5. Step 5: Solve for x
    x = 7,244,359,176.42/94,087.26
  6. Step 6: Final answer
    x = 76,996.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.