Home / 86,318.62-119,117.85-48,078.04

Finding the Fourth Proportional to 86,318.62, 119,117.85 and 48,078.04

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Solution

The fourth proportional to 86,318.62, 119,117.85 and 48,078.04 is: 66,346.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,318.62 : 119,117.85 = 48,078.04 : x
  2. Step 2: Convert to fraction form
    86,318.62/119,117.85 = 48,078.04/x
  3. Step 3: Cross multiply
    86,318.62x = 119,117.85 × 48,078.04
  4. Step 4: Simplify right side
    86,318.62x = 5,726,952,757.01
  5. Step 5: Solve for x
    x = 5,726,952,757.01/86,318.62
  6. Step 6: Final answer
    x = 66,346.67

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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.