Home / 107,979.92-161,988.88-36,885.84

Finding the Fourth Proportional to 107,979.92, 161,988.88 and 36,885.84

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Solution

The fourth proportional to 107,979.92, 161,988.88 and 36,885.84 is: 55,335.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,979.92 : 161,988.88 = 36,885.84 : x
  2. Step 2: Convert to fraction form
    107,979.92/161,988.88 = 36,885.84/x
  3. Step 3: Cross multiply
    107,979.92x = 161,988.88 × 36,885.84
  4. Step 4: Simplify right side
    107,979.92x = 5,975,095,909.46
  5. Step 5: Solve for x
    x = 5,975,095,909.46/107,979.92
  6. Step 6: Final answer
    x = 55,335.25

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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.