Home / 101,575.20-152,316.72-66,001.44

Finding the Fourth Proportional to 101,575.20, 152,316.72 and 66,001.44

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Solution

The fourth proportional to 101,575.20, 152,316.72 and 66,001.44 is: 98,972.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,575.20 : 152,316.72 = 66,001.44 : x
  2. Step 2: Convert to fraction form
    101,575.20/152,316.72 = 66,001.44/x
  3. Step 3: Cross multiply
    101,575.20x = 152,316.72 × 66,001.44
  4. Step 4: Simplify right side
    101,575.20x = 10,053,122,856.08
  5. Step 5: Solve for x
    x = 10,053,122,856.08/101,575.20
  6. Step 6: Final answer
    x = 98,972.22

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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.