Home / 112,010.05-167,990.10-67,575.79

Finding the Fourth Proportional to 112,010.05, 167,990.10 and 67,575.79

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Solution

The fourth proportional to 112,010.05, 167,990.10 and 67,575.79 is: 101,348.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,010.05 : 167,990.10 = 67,575.79 : x
  2. Step 2: Convert to fraction form
    112,010.05/167,990.10 = 67,575.79/x
  3. Step 3: Cross multiply
    112,010.05x = 167,990.10 × 67,575.79
  4. Step 4: Simplify right side
    112,010.05x = 11,352,063,719.68
  5. Step 5: Solve for x
    x = 11,352,063,719.68/112,010.05
  6. Step 6: Final answer
    x = 101,348.62

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1.5x scale

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.