Home / 86,462.11-119,323.20-48,738.79

Finding the Fourth Proportional to 86,462.11, 119,323.20 and 48,738.79

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Solution

The fourth proportional to 86,462.11, 119,323.20 and 48,738.79 is: 67,262.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,462.11 : 119,323.20 = 48,738.79 : x
  2. Step 2: Convert to fraction form
    86,462.11/119,323.20 = 48,738.79/x
  3. Step 3: Cross multiply
    86,462.11x = 119,323.20 × 48,738.79
  4. Step 4: Simplify right side
    86,462.11x = 5,815,668,386.93
  5. Step 5: Solve for x
    x = 5,815,668,386.93/86,462.11
  6. Step 6: Final answer
    x = 67,262.62

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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.