Home / 99,236.03-136,951.85-56,793.65

Finding the Fourth Proportional to 99,236.03, 136,951.85 and 56,793.65

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Solution

The fourth proportional to 99,236.03, 136,951.85 and 56,793.65 is: 78,378.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,236.03 : 136,951.85 = 56,793.65 : x
  2. Step 2: Convert to fraction form
    99,236.03/136,951.85 = 56,793.65/x
  3. Step 3: Cross multiply
    99,236.03x = 136,951.85 × 56,793.65
  4. Step 4: Simplify right side
    99,236.03x = 7,777,995,151.78
  5. Step 5: Solve for x
    x = 7,777,995,151.78/99,236.03
  6. Step 6: Final answer
    x = 78,378.74

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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.