Home / 125,251.15-172,857.52-68,673.46

Finding the Fourth Proportional to 125,251.15, 172,857.52 and 68,673.46

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Solution

The fourth proportional to 125,251.15, 172,857.52 and 68,673.46 is: 94,775.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,251.15 : 172,857.52 = 68,673.46 : x
  2. Step 2: Convert to fraction form
    125,251.15/172,857.52 = 68,673.46/x
  3. Step 3: Cross multiply
    125,251.15x = 172,857.52 × 68,673.46
  4. Step 4: Simplify right side
    125,251.15x = 11,870,723,985.42
  5. Step 5: Solve for x
    x = 11,870,723,985.42/125,251.15
  6. Step 6: Final answer
    x = 94,775.37

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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.