Home / 48,540.32-66,949.36-42,864.96

Finding the Fourth Proportional to 48,540.32, 66,949.36 and 42,864.96

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Solution

The fourth proportional to 48,540.32, 66,949.36 and 42,864.96 is: 59,121.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,540.32 : 66,949.36 = 42,864.96 : x
  2. Step 2: Convert to fraction form
    48,540.32/66,949.36 = 42,864.96/x
  3. Step 3: Cross multiply
    48,540.32x = 66,949.36 × 42,864.96
  4. Step 4: Simplify right side
    48,540.32x = 2,869,781,638.43
  5. Step 5: Solve for x
    x = 2,869,781,638.43/48,540.32
  6. Step 6: Final answer
    x = 59,121.61

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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.