Home / 63,245.25-87,278.45-38,099.61

Finding the Fourth Proportional to 63,245.25, 87,278.45 and 38,099.61

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Solution

The fourth proportional to 63,245.25, 87,278.45 and 38,099.61 is: 52,577.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,245.25 : 87,278.45 = 38,099.61 : x
  2. Step 2: Convert to fraction form
    63,245.25/87,278.45 = 38,099.61/x
  3. Step 3: Cross multiply
    63,245.25x = 87,278.45 × 38,099.61
  4. Step 4: Simplify right side
    63,245.25x = 3,325,274,715.91
  5. Step 5: Solve for x
    x = 3,325,274,715.91/63,245.25
  6. Step 6: Final answer
    x = 52,577.46

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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.