Home / 47,397.20-71,128.20-26,337.20

Finding the Fourth Proportional to 47,397.20, 71,128.20 and 26,337.20

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Solution

The fourth proportional to 47,397.20, 71,128.20 and 26,337.20 is: 39,523.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,397.20 : 71,128.20 = 26,337.20 : x
  2. Step 2: Convert to fraction form
    47,397.20/71,128.20 = 26,337.20/x
  3. Step 3: Cross multiply
    47,397.20x = 71,128.20 × 26,337.20
  4. Step 4: Simplify right side
    47,397.20x = 1,873,317,629.04
  5. Step 5: Solve for x
    x = 1,873,317,629.04/47,397.20
  6. Step 6: Final answer
    x = 39,523.80

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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.