Home / 78,230.62-117,355.10-24,903.92

Finding the Fourth Proportional to 78,230.62, 117,355.10 and 24,903.92

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Solution

The fourth proportional to 78,230.62, 117,355.10 and 24,903.92 is: 37,358.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,230.62 : 117,355.10 = 24,903.92 : x
  2. Step 2: Convert to fraction form
    78,230.62/117,355.10 = 24,903.92/x
  3. Step 3: Cross multiply
    78,230.62x = 117,355.10 × 24,903.92
  4. Step 4: Simplify right side
    78,230.62x = 2,922,601,530.74
  5. Step 5: Solve for x
    x = 2,922,601,530.74/78,230.62
  6. Step 6: Final answer
    x = 37,358.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.