Home / 126,091.12-174,005.72-68,730.52

Finding the Fourth Proportional to 126,091.12, 174,005.72 and 68,730.52

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Solution

The fourth proportional to 126,091.12, 174,005.72 and 68,730.52 is: 94,848.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,091.12 : 174,005.72 = 68,730.52 : x
  2. Step 2: Convert to fraction form
    126,091.12/174,005.72 = 68,730.52/x
  3. Step 3: Cross multiply
    126,091.12x = 174,005.72 × 68,730.52
  4. Step 4: Simplify right side
    126,091.12x = 11,959,503,618.57
  5. Step 5: Solve for x
    x = 11,959,503,618.57/126,091.12
  6. Step 6: Final answer
    x = 94,848.10

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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.