Home / 106,787.68-160,179.48-31,908.04

Finding the Fourth Proportional to 106,787.68, 160,179.48 and 31,908.04

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Solution

The fourth proportional to 106,787.68, 160,179.48 and 31,908.04 is: 47,861.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,787.68 : 160,179.48 = 31,908.04 : x
  2. Step 2: Convert to fraction form
    106,787.68/160,179.48 = 31,908.04/x
  3. Step 3: Cross multiply
    106,787.68x = 160,179.48 × 31,908.04
  4. Step 4: Simplify right side
    106,787.68x = 5,111,013,255.02
  5. Step 5: Solve for x
    x = 5,111,013,255.02/106,787.68
  6. Step 6: Final answer
    x = 47,861.45

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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.