Home / 91,822.60-137,766.30-88,582.60

Finding the Fourth Proportional to 91,822.60, 137,766.30 and 88,582.60

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Solution

The fourth proportional to 91,822.60, 137,766.30 and 88,582.60 is: 132,905.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,822.60 : 137,766.30 = 88,582.60 : x
  2. Step 2: Convert to fraction form
    91,822.60/137,766.30 = 88,582.60/x
  3. Step 3: Cross multiply
    91,822.60x = 137,766.30 × 88,582.60
  4. Step 4: Simplify right side
    91,822.60x = 12,203,697,046.38
  5. Step 5: Solve for x
    x = 12,203,697,046.38/91,822.60
  6. Step 6: Final answer
    x = 132,905.16

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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.