Home / 48,301.20-72,418.05-28,569.60

Finding the Fourth Proportional to 48,301.20, 72,418.05 and 28,569.60

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Solution

The fourth proportional to 48,301.20, 72,418.05 and 28,569.60 is: 42,834.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,301.20 : 72,418.05 = 28,569.60 : x
  2. Step 2: Convert to fraction form
    48,301.20/72,418.05 = 28,569.60/x
  3. Step 3: Cross multiply
    48,301.20x = 72,418.05 × 28,569.60
  4. Step 4: Simplify right side
    48,301.20x = 2,068,954,721.28
  5. Step 5: Solve for x
    x = 2,068,954,721.28/48,301.20
  6. Step 6: Final answer
    x = 42,834.44

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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.