Home / 99,633.27-137,494.08-54,311.61

Finding the Fourth Proportional to 99,633.27, 137,494.08 and 54,311.61

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Solution

The fourth proportional to 99,633.27, 137,494.08 and 54,311.61 is: 74,950.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,633.27 : 137,494.08 = 54,311.61 : x
  2. Step 2: Convert to fraction form
    99,633.27/137,494.08 = 54,311.61/x
  3. Step 3: Cross multiply
    99,633.27x = 137,494.08 × 54,311.61
  4. Step 4: Simplify right side
    99,633.27x = 7,467,524,850.27
  5. Step 5: Solve for x
    x = 7,467,524,850.27/99,633.27
  6. Step 6: Final answer
    x = 74,950.11

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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.