Home / 99,444.08-137,233.24-54,733.68

Finding the Fourth Proportional to 99,444.08, 137,233.24 and 54,733.68

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Solution

The fourth proportional to 99,444.08, 137,233.24 and 54,733.68 is: 75,532.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,444.08 : 137,233.24 = 54,733.68 : x
  2. Step 2: Convert to fraction form
    99,444.08/137,233.24 = 54,733.68/x
  3. Step 3: Cross multiply
    99,444.08x = 137,233.24 × 54,733.68
  4. Step 4: Simplify right side
    99,444.08x = 7,511,280,243.52
  5. Step 5: Solve for x
    x = 7,511,280,243.52/99,444.08
  6. Step 6: Final answer
    x = 75,532.70

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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.