Home / 106,539.60-159,767.83-39,943.38

Finding the Fourth Proportional to 106,539.60, 159,767.83 and 39,943.38

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Solution

The fourth proportional to 106,539.60, 159,767.83 and 39,943.38 is: 59,899.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,539.60 : 159,767.83 = 39,943.38 : x
  2. Step 2: Convert to fraction form
    106,539.60/159,767.83 = 39,943.38/x
  3. Step 3: Cross multiply
    106,539.60x = 159,767.83 × 39,943.38
  4. Step 4: Simplify right side
    106,539.60x = 6,381,667,145.47
  5. Step 5: Solve for x
    x = 6,381,667,145.47/106,539.60
  6. Step 6: Final answer
    x = 59,899.48

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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.