Home / 83,041.40-124,562.10-82,263.80

Finding the Fourth Proportional to 83,041.40, 124,562.10 and 82,263.80

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Solution

The fourth proportional to 83,041.40, 124,562.10 and 82,263.80 is: 123,395.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,041.40 : 124,562.10 = 82,263.80 : x
  2. Step 2: Convert to fraction form
    83,041.40/124,562.10 = 82,263.80/x
  3. Step 3: Cross multiply
    83,041.40x = 124,562.10 × 82,263.80
  4. Step 4: Simplify right side
    83,041.40x = 10,246,951,681.98
  5. Step 5: Solve for x
    x = 10,246,951,681.98/83,041.40
  6. Step 6: Final answer
    x = 123,395.70

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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.