Home / 126,623.76-174,729.05-70,033.92

Finding the Fourth Proportional to 126,623.76, 174,729.05 and 70,033.92

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Solution

The fourth proportional to 126,623.76, 174,729.05 and 70,033.92 is: 96,640.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,623.76 : 174,729.05 = 70,033.92 : x
  2. Step 2: Convert to fraction form
    126,623.76/174,729.05 = 70,033.92/x
  3. Step 3: Cross multiply
    126,623.76x = 174,729.05 × 70,033.92
  4. Step 4: Simplify right side
    126,623.76x = 12,236,959,959.21
  5. Step 5: Solve for x
    x = 12,236,959,959.21/126,623.76
  6. Step 6: Final answer
    x = 96,640.31

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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.