Home / 92,981.24-139,473.39-40,390.73

Finding the Fourth Proportional to 92,981.24, 139,473.39 and 40,390.73

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Solution

The fourth proportional to 92,981.24, 139,473.39 and 40,390.73 is: 60,586.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,981.24 : 139,473.39 = 40,390.73 : x
  2. Step 2: Convert to fraction form
    92,981.24/139,473.39 = 40,390.73/x
  3. Step 3: Cross multiply
    92,981.24x = 139,473.39 × 40,390.73
  4. Step 4: Simplify right side
    92,981.24x = 5,633,431,340.31
  5. Step 5: Solve for x
    x = 5,633,431,340.31/92,981.24
  6. Step 6: Final answer
    x = 60,586.76

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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.