Home / 83,660.10-125,587.35-50,417.70

Finding the Fourth Proportional to 83,660.10, 125,587.35 and 50,417.70

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Solution

The fourth proportional to 83,660.10, 125,587.35 and 50,417.70 is: 75,685.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,660.10 : 125,587.35 = 50,417.70 : x
  2. Step 2: Convert to fraction form
    83,660.10/125,587.35 = 50,417.70/x
  3. Step 3: Cross multiply
    83,660.10x = 125,587.35 × 50,417.70
  4. Step 4: Simplify right side
    83,660.10x = 6,331,825,336.10
  5. Step 5: Solve for x
    x = 6,331,825,336.10/83,660.10
  6. Step 6: Final answer
    x = 75,685.13

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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.