Home / 100,772.56-151,115.10-58,694.68

Finding the Fourth Proportional to 100,772.56, 151,115.10 and 58,694.68

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Solution

The fourth proportional to 100,772.56, 151,115.10 and 58,694.68 is: 88,016.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,772.56 : 151,115.10 = 58,694.68 : x
  2. Step 2: Convert to fraction form
    100,772.56/151,115.10 = 58,694.68/x
  3. Step 3: Cross multiply
    100,772.56x = 151,115.10 × 58,694.68
  4. Step 4: Simplify right side
    100,772.56x = 8,869,652,437.67
  5. Step 5: Solve for x
    x = 8,869,652,437.67/100,772.56
  6. Step 6: Final answer
    x = 88,016.54

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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.