Home / 77,127.15-115,668.03-34,982.85

Finding the Fourth Proportional to 77,127.15, 115,668.03 and 34,982.85

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Solution

The fourth proportional to 77,127.15, 115,668.03 and 34,982.85 is: 52,463.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,127.15 : 115,668.03 = 34,982.85 : x
  2. Step 2: Convert to fraction form
    77,127.15/115,668.03 = 34,982.85/x
  3. Step 3: Cross multiply
    77,127.15x = 115,668.03 × 34,982.85
  4. Step 4: Simplify right side
    77,127.15x = 4,046,397,343.29
  5. Step 5: Solve for x
    x = 4,046,397,343.29/77,127.15
  6. Step 6: Final answer
    x = 52,463.98

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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.