Home / 106,821.44-147,414.56-59,078.08

Finding the Fourth Proportional to 106,821.44, 147,414.56 and 59,078.08

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Solution

The fourth proportional to 106,821.44, 147,414.56 and 59,078.08 is: 81,528.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,821.44 : 147,414.56 = 59,078.08 : x
  2. Step 2: Convert to fraction form
    106,821.44/147,414.56 = 59,078.08/x
  3. Step 3: Cross multiply
    106,821.44x = 147,414.56 × 59,078.08
  4. Step 4: Simplify right side
    106,821.44x = 8,708,969,168.84
  5. Step 5: Solve for x
    x = 8,708,969,168.84/106,821.44
  6. Step 6: Final answer
    x = 81,528.29

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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.