Home / 91,833.35-137,824.07-47,472.75

Finding the Fourth Proportional to 91,833.35, 137,824.07 and 47,472.75

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Solution

The fourth proportional to 91,833.35, 137,824.07 and 47,472.75 is: 71,247.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,833.35 : 137,824.07 = 47,472.75 : x
  2. Step 2: Convert to fraction form
    91,833.35/137,824.07 = 47,472.75/x
  3. Step 3: Cross multiply
    91,833.35x = 137,824.07 × 47,472.75
  4. Step 4: Simplify right side
    91,833.35x = 6,542,887,381.73
  5. Step 5: Solve for x
    x = 6,542,887,381.73/91,833.35
  6. Step 6: Final answer
    x = 71,247.40

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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.