Home / 126,091.12-174,000.51-68,729.18

Finding the Fourth Proportional to 126,091.12, 174,000.51 and 68,729.18

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Solution

The fourth proportional to 126,091.12, 174,000.51 and 68,729.18 is: 94,843.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,091.12 : 174,000.51 = 68,729.18 : x
  2. Step 2: Convert to fraction form
    126,091.12/174,000.51 = 68,729.18/x
  3. Step 3: Cross multiply
    126,091.12x = 174,000.51 × 68,729.18
  4. Step 4: Simplify right side
    126,091.12x = 11,958,911,505.96
  5. Step 5: Solve for x
    x = 11,958,911,505.96/126,091.12
  6. Step 6: Final answer
    x = 94,843.41

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1.5x scale

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.