Home / 107,350.40-161,029.25-28,472.60

Finding the Fourth Proportional to 107,350.40, 161,029.25 and 28,472.60

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Solution

The fourth proportional to 107,350.40, 161,029.25 and 28,472.60 is: 42,709.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,350.40 : 161,029.25 = 28,472.60 : x
  2. Step 2: Convert to fraction form
    107,350.40/161,029.25 = 28,472.60/x
  3. Step 3: Cross multiply
    107,350.40x = 161,029.25 × 28,472.60
  4. Step 4: Simplify right side
    107,350.40x = 4,584,920,476.04
  5. Step 5: Solve for x
    x = 4,584,920,476.04/107,350.40
  6. Step 6: Final answer
    x = 42,709.86

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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.