Home / 77,304.45-115,959.65-27,384.69

Finding the Fourth Proportional to 77,304.45, 115,959.65 and 27,384.69

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Solution

The fourth proportional to 77,304.45, 115,959.65 and 27,384.69 is: 41,078.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,304.45 : 115,959.65 = 27,384.69 : x
  2. Step 2: Convert to fraction form
    77,304.45/115,959.65 = 27,384.69/x
  3. Step 3: Cross multiply
    77,304.45x = 115,959.65 × 27,384.69
  4. Step 4: Simplify right side
    77,304.45x = 3,175,518,930.84
  5. Step 5: Solve for x
    x = 3,175,518,930.84/77,304.45
  6. Step 6: Final answer
    x = 41,078.09

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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.