Home / 65,721.20-98,542.20-25,176.56

Finding the Fourth Proportional to 65,721.20, 98,542.20 and 25,176.56

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Solution

The fourth proportional to 65,721.20, 98,542.20 and 25,176.56 is: 37,749.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,721.20 : 98,542.20 = 25,176.56 : x
  2. Step 2: Convert to fraction form
    65,721.20/98,542.20 = 25,176.56/x
  3. Step 3: Cross multiply
    65,721.20x = 98,542.20 × 25,176.56
  4. Step 4: Simplify right side
    65,721.20x = 2,480,953,610.83
  5. Step 5: Solve for x
    x = 2,480,953,610.83/65,721.20
  6. Step 6: Final answer
    x = 37,749.67

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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.