Home / 106,701.30-160,060.05-31,815.59

Finding the Fourth Proportional to 106,701.30, 160,060.05 and 31,815.59

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Solution

The fourth proportional to 106,701.30, 160,060.05 and 31,815.59 is: 47,725.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,701.30 : 160,060.05 = 31,815.59 : x
  2. Step 2: Convert to fraction form
    106,701.30/160,060.05 = 31,815.59/x
  3. Step 3: Cross multiply
    106,701.30x = 160,060.05 × 31,815.59
  4. Step 4: Simplify right side
    106,701.30x = 5,092,404,125.88
  5. Step 5: Solve for x
    x = 5,092,404,125.88/106,701.30
  6. Step 6: Final answer
    x = 47,725.79

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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.