Home / 87,541.74-120,806-49,301.14

Finding the Fourth Proportional to 87,541.74, 120,806 and 49,301.14

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Solution

The fourth proportional to 87,541.74, 120,806 and 49,301.14 is: 68,034.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,541.74 : 120,806 = 49,301.14 : x
  2. Step 2: Convert to fraction form
    87,541.74/120,806 = 49,301.14/x
  3. Step 3: Cross multiply
    87,541.74x = 120,806 × 49,301.14
  4. Step 4: Simplify right side
    87,541.74x = 5,955,873,518.84
  5. Step 5: Solve for x
    x = 5,955,873,518.84/87,541.74
  6. Step 6: Final answer
    x = 68,034.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.