Home / 172,861.02-259,231.56-60,538.76

Finding the Fourth Proportional to 172,861.02, 259,231.56 and 60,538.76

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Solution

The fourth proportional to 172,861.02, 259,231.56 and 60,538.76 is: 90,787.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,861.02 : 259,231.56 = 60,538.76 : x
  2. Step 2: Convert to fraction form
    172,861.02/259,231.56 = 60,538.76/x
  3. Step 3: Cross multiply
    172,861.02x = 259,231.56 × 60,538.76
  4. Step 4: Simplify right side
    172,861.02x = 15,693,555,596.41
  5. Step 5: Solve for x
    x = 15,693,555,596.41/172,861.02
  6. Step 6: Final answer
    x = 90,787.13

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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.