Home / 83,926.20-125,630.10-48,761.40

Finding the Fourth Proportional to 83,926.20, 125,630.10 and 48,761.40

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Solution

The fourth proportional to 83,926.20, 125,630.10 and 48,761.40 is: 72,991.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,926.20 : 125,630.10 = 48,761.40 : x
  2. Step 2: Convert to fraction form
    83,926.20/125,630.10 = 48,761.40/x
  3. Step 3: Cross multiply
    83,926.20x = 125,630.10 × 48,761.40
  4. Step 4: Simplify right side
    83,926.20x = 6,125,899,558.14
  5. Step 5: Solve for x
    x = 6,125,899,558.14/83,926.20
  6. Step 6: Final answer
    x = 72,991.50

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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.