Home / 125,761.56-173,575.60-72,082.55

Finding the Fourth Proportional to 125,761.56, 173,575.60 and 72,082.55

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Solution

The fourth proportional to 125,761.56, 173,575.60 and 72,082.55 is: 99,488.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,761.56 : 173,575.60 = 72,082.55 : x
  2. Step 2: Convert to fraction form
    125,761.56/173,575.60 = 72,082.55/x
  3. Step 3: Cross multiply
    125,761.56x = 173,575.60 × 72,082.55
  4. Step 4: Simplify right side
    125,761.56x = 12,511,771,865.78
  5. Step 5: Solve for x
    x = 12,511,771,865.78/125,761.56
  6. Step 6: Final answer
    x = 99,488.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.