Home / 92,987.26-139,395.84-40,377.76

Finding the Fourth Proportional to 92,987.26, 139,395.84 and 40,377.76

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Solution

The fourth proportional to 92,987.26, 139,395.84 and 40,377.76 is: 60,529.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,987.26 : 139,395.84 = 40,377.76 : x
  2. Step 2: Convert to fraction form
    92,987.26/139,395.84 = 40,377.76/x
  3. Step 3: Cross multiply
    92,987.26x = 139,395.84 × 40,377.76
  4. Step 4: Simplify right side
    92,987.26x = 5,628,491,772.52
  5. Step 5: Solve for x
    x = 5,628,491,772.52/92,987.26
  6. Step 6: Final answer
    x = 60,529.71

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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.