Home / 89,100.24-123,015.60-79,523.52

Finding the Fourth Proportional to 89,100.24, 123,015.60 and 79,523.52

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Solution

The fourth proportional to 89,100.24, 123,015.60 and 79,523.52 is: 109,793.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,100.24 : 123,015.60 = 79,523.52 : x
  2. Step 2: Convert to fraction form
    89,100.24/123,015.60 = 79,523.52/x
  3. Step 3: Cross multiply
    89,100.24x = 123,015.60 × 79,523.52
  4. Step 4: Simplify right side
    89,100.24x = 9,782,633,526.91
  5. Step 5: Solve for x
    x = 9,782,633,526.91/89,100.24
  6. Step 6: Final answer
    x = 109,793.57

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1.5x scale

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.