Home / 86,471.11-119,335.62-48,747.79

Finding the Fourth Proportional to 86,471.11, 119,335.62 and 48,747.79

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Solution

The fourth proportional to 86,471.11, 119,335.62 and 48,747.79 is: 67,275.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,471.11 : 119,335.62 = 48,747.79 : x
  2. Step 2: Convert to fraction form
    86,471.11/119,335.62 = 48,747.79/x
  3. Step 3: Cross multiply
    86,471.11x = 119,335.62 × 48,747.79
  4. Step 4: Simplify right side
    86,471.11x = 5,817,347,743.28
  5. Step 5: Solve for x
    x = 5,817,347,743.28/86,471.11
  6. Step 6: Final answer
    x = 67,275.04

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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.