Home / 126,636.96-174,762-70,049.44

Finding the Fourth Proportional to 126,636.96, 174,762 and 70,049.44

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Solution

The fourth proportional to 126,636.96, 174,762 and 70,049.44 is: 96,669.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,636.96 : 174,762 = 70,049.44 : x
  2. Step 2: Convert to fraction form
    126,636.96/174,762 = 70,049.44/x
  3. Step 3: Cross multiply
    126,636.96x = 174,762 × 70,049.44
  4. Step 4: Simplify right side
    126,636.96x = 12,241,980,233.28
  5. Step 5: Solve for x
    x = 12,241,980,233.28/126,636.96
  6. Step 6: Final answer
    x = 96,669.88

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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.