Home / 91,728.55-137,585.54-32,556.53

Finding the Fourth Proportional to 91,728.55, 137,585.54 and 32,556.53

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Solution

The fourth proportional to 91,728.55, 137,585.54 and 32,556.53 is: 48,832.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,728.55 : 137,585.54 = 32,556.53 : x
  2. Step 2: Convert to fraction form
    91,728.55/137,585.54 = 32,556.53/x
  3. Step 3: Cross multiply
    91,728.55x = 137,585.54 × 32,556.53
  4. Step 4: Simplify right side
    91,728.55x = 4,479,308,002.80
  5. Step 5: Solve for x
    x = 4,479,308,002.80/91,728.55
  6. Step 6: Final answer
    x = 48,832.21

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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.