Home / 99,832.66-137,774.64-54,514.85

Finding the Fourth Proportional to 99,832.66, 137,774.64 and 54,514.85

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Solution

The fourth proportional to 99,832.66, 137,774.64 and 54,514.85 is: 75,233.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,832.66 : 137,774.64 = 54,514.85 : x
  2. Step 2: Convert to fraction form
    99,832.66/137,774.64 = 54,514.85/x
  3. Step 3: Cross multiply
    99,832.66x = 137,774.64 × 54,514.85
  4. Step 4: Simplify right side
    99,832.66x = 7,510,763,348.96
  5. Step 5: Solve for x
    x = 7,510,763,348.96/99,832.66
  6. Step 6: Final answer
    x = 75,233.53

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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.