Home / 80,806.50-121,216.65-24,659.23

Finding the Fourth Proportional to 80,806.50, 121,216.65 and 24,659.23

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Solution

The fourth proportional to 80,806.50, 121,216.65 and 24,659.23 is: 36,990.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,806.50 : 121,216.65 = 24,659.23 : x
  2. Step 2: Convert to fraction form
    80,806.50/121,216.65 = 24,659.23/x
  3. Step 3: Cross multiply
    80,806.50x = 121,216.65 × 24,659.23
  4. Step 4: Simplify right side
    80,806.50x = 2,989,109,252.18
  5. Step 5: Solve for x
    x = 2,989,109,252.18/80,806.50
  6. Step 6: Final answer
    x = 36,990.95

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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.