Home / 126,772.96-174,946.38-73,057.51

Finding the Fourth Proportional to 126,772.96, 174,946.38 and 73,057.51

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Solution

The fourth proportional to 126,772.96, 174,946.38 and 73,057.51 is: 100,819.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,772.96 : 174,946.38 = 73,057.51 : x
  2. Step 2: Convert to fraction form
    126,772.96/174,946.38 = 73,057.51/x
  3. Step 3: Cross multiply
    126,772.96x = 174,946.38 × 73,057.51
  4. Step 4: Simplify right side
    126,772.96x = 12,781,146,031.58
  5. Step 5: Solve for x
    x = 12,781,146,031.58/126,772.96
  6. Step 6: Final answer
    x = 100,819.19

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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.