Home / 106,463.25-159,721.88-39,903.57

Finding the Fourth Proportional to 106,463.25, 159,721.88 and 39,903.57

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Solution

The fourth proportional to 106,463.25, 159,721.88 and 39,903.57 is: 59,865.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,463.25 : 159,721.88 = 39,903.57 : x
  2. Step 2: Convert to fraction form
    106,463.25/159,721.88 = 39,903.57/x
  3. Step 3: Cross multiply
    106,463.25x = 159,721.88 × 39,903.57
  4. Step 4: Simplify right side
    106,463.25x = 6,373,473,019.59
  5. Step 5: Solve for x
    x = 6,373,473,019.59/106,463.25
  6. Step 6: Final answer
    x = 59,865.47

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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.