Home / 106,539.53-159,767.75-39,943.32

Finding the Fourth Proportional to 106,539.53, 159,767.75 and 39,943.32

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Solution

The fourth proportional to 106,539.53, 159,767.75 and 39,943.32 is: 59,899.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,539.53 : 159,767.75 = 39,943.32 : x
  2. Step 2: Convert to fraction form
    106,539.53/159,767.75 = 39,943.32/x
  3. Step 3: Cross multiply
    106,539.53x = 159,767.75 × 39,943.32
  4. Step 4: Simplify right side
    106,539.53x = 6,381,654,164.21
  5. Step 5: Solve for x
    x = 6,381,654,164.21/106,539.53
  6. Step 6: Final answer
    x = 59,899.41

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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.