Home / 105,293.20-157,948.08-35,172.76

Finding the Fourth Proportional to 105,293.20, 157,948.08 and 35,172.76

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Solution

The fourth proportional to 105,293.20, 157,948.08 and 35,172.76 is: 52,761.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,293.20 : 157,948.08 = 35,172.76 : x
  2. Step 2: Convert to fraction form
    105,293.20/157,948.08 = 35,172.76/x
  3. Step 3: Cross multiply
    105,293.20x = 157,948.08 × 35,172.76
  4. Step 4: Simplify right side
    105,293.20x = 5,555,469,910.30
  5. Step 5: Solve for x
    x = 5,555,469,910.30/105,293.20
  6. Step 6: Final answer
    x = 52,761.91

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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.