Home / 91,743.16-137,608.92-32,571.04

Finding the Fourth Proportional to 91,743.16, 137,608.92 and 32,571.04

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Solution

The fourth proportional to 91,743.16, 137,608.92 and 32,571.04 is: 48,854.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,743.16 : 137,608.92 = 32,571.04 : x
  2. Step 2: Convert to fraction form
    91,743.16/137,608.92 = 32,571.04/x
  3. Step 3: Cross multiply
    91,743.16x = 137,608.92 × 32,571.04
  4. Step 4: Simplify right side
    91,743.16x = 4,482,065,637.68
  5. Step 5: Solve for x
    x = 4,482,065,637.68/91,743.16
  6. Step 6: Final answer
    x = 48,854.49

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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.