Home / 80,920.46-121,395.29-24,759.52

Finding the Fourth Proportional to 80,920.46, 121,395.29 and 24,759.52

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Solution

The fourth proportional to 80,920.46, 121,395.29 and 24,759.52 is: 37,143.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,920.46 : 121,395.29 = 24,759.52 : x
  2. Step 2: Convert to fraction form
    80,920.46/121,395.29 = 24,759.52/x
  3. Step 3: Cross multiply
    80,920.46x = 121,395.29 × 24,759.52
  4. Step 4: Simplify right side
    80,920.46x = 3,005,688,683.37
  5. Step 5: Solve for x
    x = 3,005,688,683.37/80,920.46
  6. Step 6: Final answer
    x = 37,143.74

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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.