Home / 83,029.70-124,591.94-45,107.12

Finding the Fourth Proportional to 83,029.70, 124,591.94 and 45,107.12

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Solution

The fourth proportional to 83,029.70, 124,591.94 and 45,107.12 is: 67,686.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,029.70 : 124,591.94 = 45,107.12 : x
  2. Step 2: Convert to fraction form
    83,029.70/124,591.94 = 45,107.12/x
  3. Step 3: Cross multiply
    83,029.70x = 124,591.94 × 45,107.12
  4. Step 4: Simplify right side
    83,029.70x = 5,619,983,588.61
  5. Step 5: Solve for x
    x = 5,619,983,588.61/83,029.70
  6. Step 6: Final answer
    x = 67,686.43

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1.5x scale

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.