Home / 99,234.24-136,942.56-54,523.20

Finding the Fourth Proportional to 99,234.24, 136,942.56 and 54,523.20

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Solution

The fourth proportional to 99,234.24, 136,942.56 and 54,523.20 is: 75,241.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,234.24 : 136,942.56 = 54,523.20 : x
  2. Step 2: Convert to fraction form
    99,234.24/136,942.56 = 54,523.20/x
  3. Step 3: Cross multiply
    99,234.24x = 136,942.56 × 54,523.20
  4. Step 4: Simplify right side
    99,234.24x = 7,466,546,587.39
  5. Step 5: Solve for x
    x = 7,466,546,587.39/99,234.24
  6. Step 6: Final answer
    x = 75,241.64

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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.