Home / 106,117.82-159,164.58-39,560.12

Finding the Fourth Proportional to 106,117.82, 159,164.58 and 39,560.12

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Solution

The fourth proportional to 106,117.82, 159,164.58 and 39,560.12 is: 59,335.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,117.82 : 159,164.58 = 39,560.12 : x
  2. Step 2: Convert to fraction form
    106,117.82/159,164.58 = 39,560.12/x
  3. Step 3: Cross multiply
    106,117.82x = 159,164.58 × 39,560.12
  4. Step 4: Simplify right side
    106,117.82x = 6,296,569,884.55
  5. Step 5: Solve for x
    x = 6,296,569,884.55/106,117.82
  6. Step 6: Final answer
    x = 59,335.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.