Home / 92,248.20-138,372.30-50,257.80

Finding the Fourth Proportional to 92,248.20, 138,372.30 and 50,257.80

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Solution

The fourth proportional to 92,248.20, 138,372.30 and 50,257.80 is: 75,386.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,248.20 : 138,372.30 = 50,257.80 : x
  2. Step 2: Convert to fraction form
    92,248.20/138,372.30 = 50,257.80/x
  3. Step 3: Cross multiply
    92,248.20x = 138,372.30 × 50,257.80
  4. Step 4: Simplify right side
    92,248.20x = 6,954,287,378.94
  5. Step 5: Solve for x
    x = 6,954,287,378.94/92,248.20
  6. Step 6: Final answer
    x = 75,386.70

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1.5x scale

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.