Home / 91,375.90-137,047.08-41,443.96

Finding the Fourth Proportional to 91,375.90, 137,047.08 and 41,443.96

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Solution

The fourth proportional to 91,375.90, 137,047.08 and 41,443.96 is: 62,158.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,375.90 : 137,047.08 = 41,443.96 : x
  2. Step 2: Convert to fraction form
    91,375.90/137,047.08 = 41,443.96/x
  3. Step 3: Cross multiply
    91,375.90x = 137,047.08 × 41,443.96
  4. Step 4: Simplify right side
    91,375.90x = 5,679,773,701.64
  5. Step 5: Solve for x
    x = 5,679,773,701.64/91,375.90
  6. Step 6: Final answer
    x = 62,158.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.