Home / 92,974.28-139,470.65-29,778.53

Finding the Fourth Proportional to 92,974.28, 139,470.65 and 29,778.53

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Solution

The fourth proportional to 92,974.28, 139,470.65 and 29,778.53 is: 44,670.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,974.28 : 139,470.65 = 29,778.53 : x
  2. Step 2: Convert to fraction form
    92,974.28/139,470.65 = 29,778.53/x
  3. Step 3: Cross multiply
    92,974.28x = 139,470.65 × 29,778.53
  4. Step 4: Simplify right side
    92,974.28x = 4,153,230,786.25
  5. Step 5: Solve for x
    x = 4,153,230,786.25/92,974.28
  6. Step 6: Final answer
    x = 44,670.75

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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.