Home / 47,602.20-71,334.90-26,781.72

Finding the Fourth Proportional to 47,602.20, 71,334.90 and 26,781.72

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Solution

The fourth proportional to 47,602.20, 71,334.90 and 26,781.72 is: 40,134.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,602.20 : 71,334.90 = 26,781.72 : x
  2. Step 2: Convert to fraction form
    47,602.20/71,334.90 = 26,781.72/x
  3. Step 3: Cross multiply
    47,602.20x = 71,334.90 × 26,781.72
  4. Step 4: Simplify right side
    47,602.20x = 1,910,471,318.03
  5. Step 5: Solve for x
    x = 1,910,471,318.03/47,602.20
  6. Step 6: Final answer
    x = 40,134.10

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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.