Home / 123,764.52-170,795.36-67,175.89

Finding the Fourth Proportional to 123,764.52, 170,795.36 and 67,175.89

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Solution

The fourth proportional to 123,764.52, 170,795.36 and 67,175.89 is: 92,702.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,764.52 : 170,795.36 = 67,175.89 : x
  2. Step 2: Convert to fraction form
    123,764.52/170,795.36 = 67,175.89/x
  3. Step 3: Cross multiply
    123,764.52x = 170,795.36 × 67,175.89
  4. Step 4: Simplify right side
    123,764.52x = 11,473,330,315.87
  5. Step 5: Solve for x
    x = 11,473,330,315.87/123,764.52
  6. Step 6: Final answer
    x = 92,702.91

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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.