Home / 107,081.12-147,767.96-61,760.96

Finding the Fourth Proportional to 107,081.12, 147,767.96 and 61,760.96

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Solution

The fourth proportional to 107,081.12, 147,767.96 and 61,760.96 is: 85,227.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,081.12 : 147,767.96 = 61,760.96 : x
  2. Step 2: Convert to fraction form
    107,081.12/147,767.96 = 61,760.96/x
  3. Step 3: Cross multiply
    107,081.12x = 147,767.96 × 61,760.96
  4. Step 4: Simplify right side
    107,081.12x = 9,126,291,066.84
  5. Step 5: Solve for x
    x = 9,126,291,066.84/107,081.12
  6. Step 6: Final answer
    x = 85,227.83

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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.