Home / 48,989.14-67,638.40-32,880.61

Finding the Fourth Proportional to 48,989.14, 67,638.40 and 32,880.61

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Solution

The fourth proportional to 48,989.14, 67,638.40 and 32,880.61 is: 45,397.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,989.14 : 67,638.40 = 32,880.61 : x
  2. Step 2: Convert to fraction form
    48,989.14/67,638.40 = 32,880.61/x
  3. Step 3: Cross multiply
    48,989.14x = 67,638.40 × 32,880.61
  4. Step 4: Simplify right side
    48,989.14x = 2,223,991,524.66
  5. Step 5: Solve for x
    x = 2,223,991,524.66/48,989.14
  6. Step 6: Final answer
    x = 45,397.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.