Home / 91,948.60-137,939.10-32,818.60

Finding the Fourth Proportional to 91,948.60, 137,939.10 and 32,818.60

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Solution

The fourth proportional to 91,948.60, 137,939.10 and 32,818.60 is: 49,233.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,948.60 : 137,939.10 = 32,818.60 : x
  2. Step 2: Convert to fraction form
    91,948.60/137,939.10 = 32,818.60/x
  3. Step 3: Cross multiply
    91,948.60x = 137,939.10 × 32,818.60
  4. Step 4: Simplify right side
    91,948.60x = 4,526,968,147.26
  5. Step 5: Solve for x
    x = 4,526,968,147.26/91,948.60
  6. Step 6: Final answer
    x = 49,233.68

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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.