Home / 79,516.45-109,738.92-45,535.60

Finding the Fourth Proportional to 79,516.45, 109,738.92 and 45,535.60

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Solution

The fourth proportional to 79,516.45, 109,738.92 and 45,535.60 is: 62,842.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,516.45 : 109,738.92 = 45,535.60 : x
  2. Step 2: Convert to fraction form
    79,516.45/109,738.92 = 45,535.60/x
  3. Step 3: Cross multiply
    79,516.45x = 109,738.92 × 45,535.60
  4. Step 4: Simplify right side
    79,516.45x = 4,997,027,565.55
  5. Step 5: Solve for x
    x = 4,997,027,565.55/79,516.45
  6. Step 6: Final answer
    x = 62,842.69

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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.