Home / 83,972.60-125,884.38-34,089.56

Finding the Fourth Proportional to 83,972.60, 125,884.38 and 34,089.56

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Solution

The fourth proportional to 83,972.60, 125,884.38 and 34,089.56 is: 51,104.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,972.60 : 125,884.38 = 34,089.56 : x
  2. Step 2: Convert to fraction form
    83,972.60/125,884.38 = 34,089.56/x
  3. Step 3: Cross multiply
    83,972.60x = 125,884.38 × 34,089.56
  4. Step 4: Simplify right side
    83,972.60x = 4,291,343,125.07
  5. Step 5: Solve for x
    x = 4,291,343,125.07/83,972.60
  6. Step 6: Final answer
    x = 51,104.09

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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.