Home / 83,615.34-125,442.17-36,238.37

Finding the Fourth Proportional to 83,615.34, 125,442.17 and 36,238.37

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Solution

The fourth proportional to 83,615.34, 125,442.17 and 36,238.37 is: 54,365.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,615.34 : 125,442.17 = 36,238.37 : x
  2. Step 2: Convert to fraction form
    83,615.34/125,442.17 = 36,238.37/x
  3. Step 3: Cross multiply
    83,615.34x = 125,442.17 × 36,238.37
  4. Step 4: Simplify right side
    83,615.34x = 4,545,818,961.66
  5. Step 5: Solve for x
    x = 4,545,818,961.66/83,615.34
  6. Step 6: Final answer
    x = 54,365.85

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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.