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Finding the Fourth Proportional to 91,708.98, 137,584.12 and 32,544.56

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Solution

The fourth proportional to 91,708.98, 137,584.12 and 32,544.56 is: 48,824.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,708.98 : 137,584.12 = 32,544.56 : x
  2. Step 2: Convert to fraction form
    91,708.98/137,584.12 = 32,544.56/x
  3. Step 3: Cross multiply
    91,708.98x = 137,584.12 × 32,544.56
  4. Step 4: Simplify right side
    91,708.98x = 4,477,614,648.39
  5. Step 5: Solve for x
    x = 4,477,614,648.39/91,708.98
  6. Step 6: Final answer
    x = 48,824.17

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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.