Home / 107,561.06-161,363.38-45,231.50

Finding the Fourth Proportional to 107,561.06, 161,363.38 and 45,231.50

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Solution

The fourth proportional to 107,561.06, 161,363.38 and 45,231.50 is: 67,856.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,561.06 : 161,363.38 = 45,231.50 : x
  2. Step 2: Convert to fraction form
    107,561.06/161,363.38 = 45,231.50/x
  3. Step 3: Cross multiply
    107,561.06x = 161,363.38 × 45,231.50
  4. Step 4: Simplify right side
    107,561.06x = 7,298,707,722.47
  5. Step 5: Solve for x
    x = 7,298,707,722.47/107,561.06
  6. Step 6: Final answer
    x = 67,856.41

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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.