Home / 106,731.79-159,976.96-43,535.52

Finding the Fourth Proportional to 106,731.79, 159,976.96 and 43,535.52

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Solution

The fourth proportional to 106,731.79, 159,976.96 and 43,535.52 is: 65,254.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,731.79 : 159,976.96 = 43,535.52 : x
  2. Step 2: Convert to fraction form
    106,731.79/159,976.96 = 43,535.52/x
  3. Step 3: Cross multiply
    106,731.79x = 159,976.96 × 43,535.52
  4. Step 4: Simplify right side
    106,731.79x = 6,964,680,032.78
  5. Step 5: Solve for x
    x = 6,964,680,032.78/106,731.79
  6. Step 6: Final answer
    x = 65,254.04

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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.