Home / 91,778.10-137,652.03-29,440.50

Finding the Fourth Proportional to 91,778.10, 137,652.03 and 29,440.50

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Solution

The fourth proportional to 91,778.10, 137,652.03 and 29,440.50 is: 44,155.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,778.10 : 137,652.03 = 29,440.50 : x
  2. Step 2: Convert to fraction form
    91,778.10/137,652.03 = 29,440.50/x
  3. Step 3: Cross multiply
    91,778.10x = 137,652.03 × 29,440.50
  4. Step 4: Simplify right side
    91,778.10x = 4,052,544,589.22
  5. Step 5: Solve for x
    x = 4,052,544,589.22/91,778.10
  6. Step 6: Final answer
    x = 44,155.90

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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.