Home / 77,246.78-116,064.27-49,179.36

Finding the Fourth Proportional to 77,246.78, 116,064.27 and 49,179.36

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Solution

The fourth proportional to 77,246.78, 116,064.27 and 49,179.36 is: 73,892.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,246.78 : 116,064.27 = 49,179.36 : x
  2. Step 2: Convert to fraction form
    77,246.78/116,064.27 = 49,179.36/x
  3. Step 3: Cross multiply
    77,246.78x = 116,064.27 × 49,179.36
  4. Step 4: Simplify right side
    77,246.78x = 5,707,966,517.47
  5. Step 5: Solve for x
    x = 5,707,966,517.47/77,246.78
  6. Step 6: Final answer
    x = 73,892.62

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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.