Home / 91,947.86-137,919.23-24,480.47

Finding the Fourth Proportional to 91,947.86, 137,919.23 and 24,480.47

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Solution

The fourth proportional to 91,947.86, 137,919.23 and 24,480.47 is: 36,720.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,947.86 : 137,919.23 = 24,480.47 : x
  2. Step 2: Convert to fraction form
    91,947.86/137,919.23 = 24,480.47/x
  3. Step 3: Cross multiply
    91,947.86x = 137,919.23 × 24,480.47
  4. Step 4: Simplify right side
    91,947.86x = 3,376,327,910.15
  5. Step 5: Solve for x
    x = 3,376,327,910.15/91,947.86
  6. Step 6: Final answer
    x = 36,720.03

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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.