Home / 91,523.90-137,233.30-48,776.70

Finding the Fourth Proportional to 91,523.90, 137,233.30 and 48,776.70

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Solution

The fourth proportional to 91,523.90, 137,233.30 and 48,776.70 is: 73,137.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,523.90 : 137,233.30 = 48,776.70 : x
  2. Step 2: Convert to fraction form
    91,523.90/137,233.30 = 48,776.70/x
  3. Step 3: Cross multiply
    91,523.90x = 137,233.30 × 48,776.70
  4. Step 4: Simplify right side
    91,523.90x = 6,693,787,504.11
  5. Step 5: Solve for x
    x = 6,693,787,504.11/91,523.90
  6. Step 6: Final answer
    x = 73,137.04

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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.