Home / 86,417.92-119,257.68-48,691.36

Finding the Fourth Proportional to 86,417.92, 119,257.68 and 48,691.36

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Solution

The fourth proportional to 86,417.92, 119,257.68 and 48,691.36 is: 67,194.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,417.92 : 119,257.68 = 48,691.36 : x
  2. Step 2: Convert to fraction form
    86,417.92/119,257.68 = 48,691.36/x
  3. Step 3: Cross multiply
    86,417.92x = 119,257.68 × 48,691.36
  4. Step 4: Simplify right side
    86,417.92x = 5,806,818,629.64
  5. Step 5: Solve for x
    x = 5,806,818,629.64/86,417.92
  6. Step 6: Final answer
    x = 67,194.61

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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.