Home / 107,809.16-161,645.88-32,904.38

Finding the Fourth Proportional to 107,809.16, 161,645.88 and 32,904.38

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Solution

The fourth proportional to 107,809.16, 161,645.88 and 32,904.38 is: 49,335.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,809.16 : 161,645.88 = 32,904.38 : x
  2. Step 2: Convert to fraction form
    107,809.16/161,645.88 = 32,904.38/x
  3. Step 3: Cross multiply
    107,809.16x = 161,645.88 × 32,904.38
  4. Step 4: Simplify right side
    107,809.16x = 5,318,857,460.95
  5. Step 5: Solve for x
    x = 5,318,857,460.95/107,809.16
  6. Step 6: Final answer
    x = 49,335.86

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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.