Home / 125,211.36-172,793.16-68,621.52

Finding the Fourth Proportional to 125,211.36, 172,793.16 and 68,621.52

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Solution

The fourth proportional to 125,211.36, 172,793.16 and 68,621.52 is: 94,698.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,211.36 : 172,793.16 = 68,621.52 : x
  2. Step 2: Convert to fraction form
    125,211.36/172,793.16 = 68,621.52/x
  3. Step 3: Cross multiply
    125,211.36x = 172,793.16 × 68,621.52
  4. Step 4: Simplify right side
    125,211.36x = 11,857,329,284.80
  5. Step 5: Solve for x
    x = 11,857,329,284.80/125,211.36
  6. Step 6: Final answer
    x = 94,698.51

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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.