Home / 77,127.65-115,668.78-34,983.35

Finding the Fourth Proportional to 77,127.65, 115,668.78 and 34,983.35

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Solution

The fourth proportional to 77,127.65, 115,668.78 and 34,983.35 is: 52,464.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,127.65 : 115,668.78 = 34,983.35 : x
  2. Step 2: Convert to fraction form
    77,127.65/115,668.78 = 34,983.35/x
  3. Step 3: Cross multiply
    77,127.65x = 115,668.78 × 34,983.35
  4. Step 4: Simplify right side
    77,127.65x = 4,046,481,414.81
  5. Step 5: Solve for x
    x = 4,046,481,414.81/77,127.65
  6. Step 6: Final answer
    x = 52,464.73

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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.