Home / 86,468.38-119,328.20-48,742.62

Finding the Fourth Proportional to 86,468.38, 119,328.20 and 48,742.62

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Solution

The fourth proportional to 86,468.38, 119,328.20 and 48,742.62 is: 67,265.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,468.38 : 119,328.20 = 48,742.62 : x
  2. Step 2: Convert to fraction form
    86,468.38/119,328.20 = 48,742.62/x
  3. Step 3: Cross multiply
    86,468.38x = 119,328.20 × 48,742.62
  4. Step 4: Simplify right side
    86,468.38x = 5,816,369,107.88
  5. Step 5: Solve for x
    x = 5,816,369,107.88/86,468.38
  6. Step 6: Final answer
    x = 67,265.85

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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.