Home / 106,772.28-147,356.73-61,451.97

Finding the Fourth Proportional to 106,772.28, 147,356.73 and 61,451.97

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Solution

The fourth proportional to 106,772.28, 147,356.73 and 61,451.97 is: 84,810.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,772.28 : 147,356.73 = 61,451.97 : x
  2. Step 2: Convert to fraction form
    106,772.28/147,356.73 = 61,451.97/x
  3. Step 3: Cross multiply
    106,772.28x = 147,356.73 × 61,451.97
  4. Step 4: Simplify right side
    106,772.28x = 9,055,361,351.26
  5. Step 5: Solve for x
    x = 9,055,361,351.26/106,772.28
  6. Step 6: Final answer
    x = 84,810.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.