Home / 92,540.40-138,616.20-50,938.80

Finding the Fourth Proportional to 92,540.40, 138,616.20 and 50,938.80

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Solution

The fourth proportional to 92,540.40, 138,616.20 and 50,938.80 is: 76,301.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,540.40 : 138,616.20 = 50,938.80 : x
  2. Step 2: Convert to fraction form
    92,540.40/138,616.20 = 50,938.80/x
  3. Step 3: Cross multiply
    92,540.40x = 138,616.20 × 50,938.80
  4. Step 4: Simplify right side
    92,540.40x = 7,060,942,888.56
  5. Step 5: Solve for x
    x = 7,060,942,888.56/92,540.40
  6. Step 6: Final answer
    x = 76,301.19

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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.