Home / 58,342.20-80,469.60-38,166.72

Finding the Fourth Proportional to 58,342.20, 80,469.60 and 38,166.72

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Solution

The fourth proportional to 58,342.20, 80,469.60 and 38,166.72 is: 52,642.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,342.20 : 80,469.60 = 38,166.72 : x
  2. Step 2: Convert to fraction form
    58,342.20/80,469.60 = 38,166.72/x
  3. Step 3: Cross multiply
    58,342.20x = 80,469.60 × 38,166.72
  4. Step 4: Simplify right side
    58,342.20x = 3,071,260,691.71
  5. Step 5: Solve for x
    x = 3,071,260,691.71/58,342.20
  6. Step 6: Final answer
    x = 52,642.18

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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.