Home / 107,456.42-161,233.10-44,320.12

Finding the Fourth Proportional to 107,456.42, 161,233.10 and 44,320.12

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Solution

The fourth proportional to 107,456.42, 161,233.10 and 44,320.12 is: 66,500.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,456.42 : 161,233.10 = 44,320.12 : x
  2. Step 2: Convert to fraction form
    107,456.42/161,233.10 = 44,320.12/x
  3. Step 3: Cross multiply
    107,456.42x = 161,233.10 × 44,320.12
  4. Step 4: Simplify right side
    107,456.42x = 7,145,871,108.65
  5. Step 5: Solve for x
    x = 7,145,871,108.65/107,456.42
  6. Step 6: Final answer
    x = 66,500.18

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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.