Home / 91,923.66-137,768.85-47,542.14

Finding the Fourth Proportional to 91,923.66, 137,768.85 and 47,542.14

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Solution

The fourth proportional to 91,923.66, 137,768.85 and 47,542.14 is: 71,252.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,923.66 : 137,768.85 = 47,542.14 : x
  2. Step 2: Convert to fraction form
    91,923.66/137,768.85 = 47,542.14/x
  3. Step 3: Cross multiply
    91,923.66x = 137,768.85 × 47,542.14
  4. Step 4: Simplify right side
    91,923.66x = 6,549,825,954.34
  5. Step 5: Solve for x
    x = 6,549,825,954.34/91,923.66
  6. Step 6: Final answer
    x = 71,252.88

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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.