Home / 78,346.38-108,124.70-44,360.86

Finding the Fourth Proportional to 78,346.38, 108,124.70 and 44,360.86

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Solution

The fourth proportional to 78,346.38, 108,124.70 and 44,360.86 is: 61,221.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,346.38 : 108,124.70 = 44,360.86 : x
  2. Step 2: Convert to fraction form
    78,346.38/108,124.70 = 44,360.86/x
  3. Step 3: Cross multiply
    78,346.38x = 108,124.70 × 44,360.86
  4. Step 4: Simplify right side
    78,346.38x = 4,796,504,679.24
  5. Step 5: Solve for x
    x = 4,796,504,679.24/78,346.38
  6. Step 6: Final answer
    x = 61,221.78

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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.