Home / 91,750.20-137,625.30-60,358.65

Finding the Fourth Proportional to 91,750.20, 137,625.30 and 60,358.65

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Solution

The fourth proportional to 91,750.20, 137,625.30 and 60,358.65 is: 90,537.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,750.20 : 137,625.30 = 60,358.65 : x
  2. Step 2: Convert to fraction form
    91,750.20/137,625.30 = 60,358.65/x
  3. Step 3: Cross multiply
    91,750.20x = 137,625.30 × 60,358.65
  4. Step 4: Simplify right side
    91,750.20x = 8,306,877,313.85
  5. Step 5: Solve for x
    x = 8,306,877,313.85/91,750.20
  6. Step 6: Final answer
    x = 90,537.98

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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.