Home / 106,433.46-159,671.79-39,872.34

Finding the Fourth Proportional to 106,433.46, 159,671.79 and 39,872.34

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Solution

The fourth proportional to 106,433.46, 159,671.79 and 39,872.34 is: 59,816.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,433.46 : 159,671.79 = 39,872.34 : x
  2. Step 2: Convert to fraction form
    106,433.46/159,671.79 = 39,872.34/x
  3. Step 3: Cross multiply
    106,433.46x = 159,671.79 × 39,872.34
  4. Step 4: Simplify right side
    106,433.46x = 6,366,487,899.29
  5. Step 5: Solve for x
    x = 6,366,487,899.29/106,433.46
  6. Step 6: Final answer
    x = 59,816.60

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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.