Home / 92,974.40-139,446.92-40,369.76

Finding the Fourth Proportional to 92,974.40, 139,446.92 and 40,369.76

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Solution

The fourth proportional to 92,974.40, 139,446.92 and 40,369.76 is: 60,548.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,974.40 : 139,446.92 = 40,369.76 : x
  2. Step 2: Convert to fraction form
    92,974.40/139,446.92 = 40,369.76/x
  3. Step 3: Cross multiply
    92,974.40x = 139,446.92 × 40,369.76
  4. Step 4: Simplify right side
    92,974.40x = 5,629,438,693.14
  5. Step 5: Solve for x
    x = 5,629,438,693.14/92,974.40
  6. Step 6: Final answer
    x = 60,548.27

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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.