Home / 107,935.92-161,613.30-70,402.92

Finding the Fourth Proportional to 107,935.92, 161,613.30 and 70,402.92

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Solution

The fourth proportional to 107,935.92, 161,613.30 and 70,402.92 is: 105,414.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,935.92 : 161,613.30 = 70,402.92 : x
  2. Step 2: Convert to fraction form
    107,935.92/161,613.30 = 70,402.92/x
  3. Step 3: Cross multiply
    107,935.92x = 161,613.30 × 70,402.92
  4. Step 4: Simplify right side
    107,935.92x = 11,378,048,230.84
  5. Step 5: Solve for x
    x = 11,378,048,230.84/107,935.92
  6. Step 6: Final answer
    x = 105,414.84

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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.