Home / 83,076.10-124,614.15-73,890.70

Finding the Fourth Proportional to 83,076.10, 124,614.15 and 73,890.70

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Solution

The fourth proportional to 83,076.10, 124,614.15 and 73,890.70 is: 110,836.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,076.10 : 124,614.15 = 73,890.70 : x
  2. Step 2: Convert to fraction form
    83,076.10/124,614.15 = 73,890.70/x
  3. Step 3: Cross multiply
    83,076.10x = 124,614.15 × 73,890.70
  4. Step 4: Simplify right side
    83,076.10x = 9,207,826,773.41
  5. Step 5: Solve for x
    x = 9,207,826,773.41/83,076.10
  6. Step 6: Final answer
    x = 110,836.05

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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.