Home / 125,570.16-173,290.80-68,982.72

Finding the Fourth Proportional to 125,570.16, 173,290.80 and 68,982.72

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Solution

The fourth proportional to 125,570.16, 173,290.80 and 68,982.72 is: 95,198.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,570.16 : 173,290.80 = 68,982.72 : x
  2. Step 2: Convert to fraction form
    125,570.16/173,290.80 = 68,982.72/x
  3. Step 3: Cross multiply
    125,570.16x = 173,290.80 × 68,982.72
  4. Step 4: Simplify right side
    125,570.16x = 11,954,070,734.98
  5. Step 5: Solve for x
    x = 11,954,070,734.98/125,570.16
  6. Step 6: Final answer
    x = 95,198.34

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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.