Home / 126,977.92-175,231.51-69,622.48

Finding the Fourth Proportional to 126,977.92, 175,231.51 and 69,622.48

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Solution

The fourth proportional to 126,977.92, 175,231.51 and 69,622.48 is: 96,080.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,977.92 : 175,231.51 = 69,622.48 : x
  2. Step 2: Convert to fraction form
    126,977.92/175,231.51 = 69,622.48/x
  3. Step 3: Cross multiply
    126,977.92x = 175,231.51 × 69,622.48
  4. Step 4: Simplify right side
    126,977.92x = 12,200,051,688.21
  5. Step 5: Solve for x
    x = 12,200,051,688.21/126,977.92
  6. Step 6: Final answer
    x = 96,080.11

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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.