Home / 83,263.47-124,936.20-38,883.78

Finding the Fourth Proportional to 83,263.47, 124,936.20 and 38,883.78

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Solution

The fourth proportional to 83,263.47, 124,936.20 and 38,883.78 is: 58,344.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,263.47 : 124,936.20 = 38,883.78 : x
  2. Step 2: Convert to fraction form
    83,263.47/124,936.20 = 38,883.78/x
  3. Step 3: Cross multiply
    83,263.47x = 124,936.20 × 38,883.78
  4. Step 4: Simplify right side
    83,263.47x = 4,857,991,090.16
  5. Step 5: Solve for x
    x = 4,857,991,090.16/83,263.47
  6. Step 6: Final answer
    x = 58,344.81

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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.