Home / 68,951.40-95,163.22-42,109.35

Finding the Fourth Proportional to 68,951.40, 95,163.22 and 42,109.35

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Solution

The fourth proportional to 68,951.40, 95,163.22 and 42,109.35 is: 58,117.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,951.40 : 95,163.22 = 42,109.35 : x
  2. Step 2: Convert to fraction form
    68,951.40/95,163.22 = 42,109.35/x
  3. Step 3: Cross multiply
    68,951.40x = 95,163.22 × 42,109.35
  4. Step 4: Simplify right side
    68,951.40x = 4,007,261,338.11
  5. Step 5: Solve for x
    x = 4,007,261,338.11/68,951.40
  6. Step 6: Final answer
    x = 58,117.19

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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.