Home / 126,963.86-175,209.63-69,603.50

Finding the Fourth Proportional to 126,963.86, 175,209.63 and 69,603.50

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Solution

The fourth proportional to 126,963.86, 175,209.63 and 69,603.50 is: 96,052.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,963.86 : 175,209.63 = 69,603.50 : x
  2. Step 2: Convert to fraction form
    126,963.86/175,209.63 = 69,603.50/x
  3. Step 3: Cross multiply
    126,963.86x = 175,209.63 × 69,603.50
  4. Step 4: Simplify right side
    126,963.86x = 12,195,203,481.71
  5. Step 5: Solve for x
    x = 12,195,203,481.71/126,963.86
  6. Step 6: Final answer
    x = 96,052.56

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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.