Home / 126,821.52-175,003.56-70,235.28

Finding the Fourth Proportional to 126,821.52, 175,003.56 and 70,235.28

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Solution

The fourth proportional to 126,821.52, 175,003.56 and 70,235.28 is: 96,919.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,821.52 : 175,003.56 = 70,235.28 : x
  2. Step 2: Convert to fraction form
    126,821.52/175,003.56 = 70,235.28/x
  3. Step 3: Cross multiply
    126,821.52x = 175,003.56 × 70,235.28
  4. Step 4: Simplify right side
    126,821.52x = 12,291,424,037.60
  5. Step 5: Solve for x
    x = 12,291,424,037.60/126,821.52
  6. Step 6: Final answer
    x = 96,919.07

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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.