Home / 106,531.84-147,022.16-58,789.28

Finding the Fourth Proportional to 106,531.84, 147,022.16 and 58,789.28

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Solution

The fourth proportional to 106,531.84, 147,022.16 and 58,789.28 is: 81,133.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,531.84 : 147,022.16 = 58,789.28 : x
  2. Step 2: Convert to fraction form
    106,531.84/147,022.16 = 58,789.28/x
  3. Step 3: Cross multiply
    106,531.84x = 147,022.16 × 58,789.28
  4. Step 4: Simplify right side
    106,531.84x = 8,643,326,930.44
  5. Step 5: Solve for x
    x = 8,643,326,930.44/106,531.84
  6. Step 6: Final answer
    x = 81,133.74

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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.