Home / 126,807.56-174,992.27-70,217.72

Finding the Fourth Proportional to 126,807.56, 174,992.27 and 70,217.72

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Solution

The fourth proportional to 126,807.56, 174,992.27 and 70,217.72 is: 96,899.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,807.56 : 174,992.27 = 70,217.72 : x
  2. Step 2: Convert to fraction form
    126,807.56/174,992.27 = 70,217.72/x
  3. Step 3: Cross multiply
    126,807.56x = 174,992.27 × 70,217.72
  4. Step 4: Simplify right side
    126,807.56x = 12,287,556,990.97
  5. Step 5: Solve for x
    x = 12,287,556,990.97/126,807.56
  6. Step 6: Final answer
    x = 96,899.25

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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.