Home / 106,581.28-147,083.20-58,833.60

Finding the Fourth Proportional to 106,581.28, 147,083.20 and 58,833.60

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Solution

The fourth proportional to 106,581.28, 147,083.20 and 58,833.60 is: 81,190.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,581.28 : 147,083.20 = 58,833.60 : x
  2. Step 2: Convert to fraction form
    106,581.28/147,083.20 = 58,833.60/x
  3. Step 3: Cross multiply
    106,581.28x = 147,083.20 × 58,833.60
  4. Step 4: Simplify right side
    106,581.28x = 8,653,434,155.52
  5. Step 5: Solve for x
    x = 8,653,434,155.52/106,581.28
  6. Step 6: Final answer
    x = 81,190.94

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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.