Home / 107,863.80-161,868.59-37,743.72

Finding the Fourth Proportional to 107,863.80, 161,868.59 and 37,743.72

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Solution

The fourth proportional to 107,863.80, 161,868.59 and 37,743.72 is: 56,641.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,863.80 : 161,868.59 = 37,743.72 : x
  2. Step 2: Convert to fraction form
    107,863.80/161,868.59 = 37,743.72/x
  3. Step 3: Cross multiply
    107,863.80x = 161,868.59 × 37,743.72
  4. Step 4: Simplify right side
    107,863.80x = 6,109,522,737.75
  5. Step 5: Solve for x
    x = 6,109,522,737.75/107,863.80
  6. Step 6: Final answer
    x = 56,641.09

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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.