Home / 83,438.16-125,131.04-27,265.46

Finding the Fourth Proportional to 83,438.16, 125,131.04 and 27,265.46

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Solution

The fourth proportional to 83,438.16, 125,131.04 and 27,265.46 is: 40,889.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,438.16 : 125,131.04 = 27,265.46 : x
  2. Step 2: Convert to fraction form
    83,438.16/125,131.04 = 27,265.46/x
  3. Step 3: Cross multiply
    83,438.16x = 125,131.04 × 27,265.46
  4. Step 4: Simplify right side
    83,438.16x = 3,411,755,365.88
  5. Step 5: Solve for x
    x = 3,411,755,365.88/83,438.16
  6. Step 6: Final answer
    x = 40,889.63

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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.