Home / 48,406.19-66,781.87-35,689.61

Finding the Fourth Proportional to 48,406.19, 66,781.87 and 35,689.61

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Solution

The fourth proportional to 48,406.19, 66,781.87 and 35,689.61 is: 49,237.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,406.19 : 66,781.87 = 35,689.61 : x
  2. Step 2: Convert to fraction form
    48,406.19/66,781.87 = 35,689.61/x
  3. Step 3: Cross multiply
    48,406.19x = 66,781.87 × 35,689.61
  4. Step 4: Simplify right side
    48,406.19x = 2,383,418,973.10
  5. Step 5: Solve for x
    x = 2,383,418,973.10/48,406.19
  6. Step 6: Final answer
    x = 49,237.90

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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.