Home / 121,010.16-166,984.40-67,292

Finding the Fourth Proportional to 121,010.16, 166,984.40 and 67,292

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Solution

The fourth proportional to 121,010.16, 166,984.40 and 67,292 is: 92,857.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,010.16 : 166,984.40 = 67,292 : x
  2. Step 2: Convert to fraction form
    121,010.16/166,984.40 = 67,292/x
  3. Step 3: Cross multiply
    121,010.16x = 166,984.40 × 67,292
  4. Step 4: Simplify right side
    121,010.16x = 11,236,714,244.80
  5. Step 5: Solve for x
    x = 11,236,714,244.80/121,010.16
  6. Step 6: Final answer
    x = 92,857.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.