Home / 107,301.42-161,010.45-45,015.66

Finding the Fourth Proportional to 107,301.42, 161,010.45 and 45,015.66

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Solution

The fourth proportional to 107,301.42, 161,010.45 and 45,015.66 is: 67,547.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,301.42 : 161,010.45 = 45,015.66 : x
  2. Step 2: Convert to fraction form
    107,301.42/161,010.45 = 45,015.66/x
  3. Step 3: Cross multiply
    107,301.42x = 161,010.45 × 45,015.66
  4. Step 4: Simplify right side
    107,301.42x = 7,247,991,673.65
  5. Step 5: Solve for x
    x = 7,247,991,673.65/107,301.42
  6. Step 6: Final answer
    x = 67,547.96

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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.