Home / 77,204.24-115,777.20-32,851.88

Finding the Fourth Proportional to 77,204.24, 115,777.20 and 32,851.88

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Solution

The fourth proportional to 77,204.24, 115,777.20 and 32,851.88 is: 49,265.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,204.24 : 115,777.20 = 32,851.88 : x
  2. Step 2: Convert to fraction form
    77,204.24/115,777.20 = 32,851.88/x
  3. Step 3: Cross multiply
    77,204.24x = 115,777.20 × 32,851.88
  4. Step 4: Simplify right side
    77,204.24x = 3,803,498,681.14
  5. Step 5: Solve for x
    x = 3,803,498,681.14/77,204.24
  6. Step 6: Final answer
    x = 49,265.41

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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.