Home / 123,795.75-170,841.26-67,207.11

Finding the Fourth Proportional to 123,795.75, 170,841.26 and 67,207.11

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Solution

The fourth proportional to 123,795.75, 170,841.26 and 67,207.11 is: 92,747.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,795.75 : 170,841.26 = 67,207.11 : x
  2. Step 2: Convert to fraction form
    123,795.75/170,841.26 = 67,207.11/x
  3. Step 3: Cross multiply
    123,795.75x = 170,841.26 × 67,207.11
  4. Step 4: Simplify right side
    123,795.75x = 11,481,747,017.32
  5. Step 5: Solve for x
    x = 11,481,747,017.32/123,795.75
  6. Step 6: Final answer
    x = 92,747.51

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1.5x scale

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.