Home / 99,445.14-137,234.31-54,733.14

Finding the Fourth Proportional to 99,445.14, 137,234.31 and 54,733.14

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Solution

The fourth proportional to 99,445.14, 137,234.31 and 54,733.14 is: 75,531.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,445.14 : 137,234.31 = 54,733.14 : x
  2. Step 2: Convert to fraction form
    99,445.14/137,234.31 = 54,733.14/x
  3. Step 3: Cross multiply
    99,445.14x = 137,234.31 × 54,733.14
  4. Step 4: Simplify right side
    99,445.14x = 7,511,264,702.03
  5. Step 5: Solve for x
    x = 7,511,264,702.03/99,445.14
  6. Step 6: Final answer
    x = 75,531.74

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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.