Home / 91,617.89-137,380.39-32,445.23

Finding the Fourth Proportional to 91,617.89, 137,380.39 and 32,445.23

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Solution

The fourth proportional to 91,617.89, 137,380.39 and 32,445.23 is: 48,651.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,617.89 : 137,380.39 = 32,445.23 : x
  2. Step 2: Convert to fraction form
    91,617.89/137,380.39 = 32,445.23/x
  3. Step 3: Cross multiply
    91,617.89x = 137,380.39 × 32,445.23
  4. Step 4: Simplify right side
    91,617.89x = 4,457,337,583.02
  5. Step 5: Solve for x
    x = 4,457,337,583.02/91,617.89
  6. Step 6: Final answer
    x = 48,651.39

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1.5x scale

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.