Home / 126,964.90-175,213.32-69,603.04

Finding the Fourth Proportional to 126,964.90, 175,213.32 and 69,603.04

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Solution

The fourth proportional to 126,964.90, 175,213.32 and 69,603.04 is: 96,053.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,964.90 : 175,213.32 = 69,603.04 : x
  2. Step 2: Convert to fraction form
    126,964.90/175,213.32 = 69,603.04/x
  3. Step 3: Cross multiply
    126,964.90x = 175,213.32 × 69,603.04
  4. Step 4: Simplify right side
    126,964.90x = 12,195,379,720.49
  5. Step 5: Solve for x
    x = 12,195,379,720.49/126,964.90
  6. Step 6: Final answer
    x = 96,053.16

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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.