Home / 107,990.42-161,999.29-36,926.69

Finding the Fourth Proportional to 107,990.42, 161,999.29 and 36,926.69

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Solution

The fourth proportional to 107,990.42, 161,999.29 and 36,926.69 is: 55,394.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,990.42 : 161,999.29 = 36,926.69 : x
  2. Step 2: Convert to fraction form
    107,990.42/161,999.29 = 36,926.69/x
  3. Step 3: Cross multiply
    107,990.42x = 161,999.29 × 36,926.69
  4. Step 4: Simplify right side
    107,990.42x = 5,982,096,798.21
  5. Step 5: Solve for x
    x = 5,982,096,798.21/107,990.42
  6. Step 6: Final answer
    x = 55,394.70

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1.5x scale

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.