Home / 106,435.85-159,567.19-39,838.66

Finding the Fourth Proportional to 106,435.85, 159,567.19 and 39,838.66

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Solution

The fourth proportional to 106,435.85, 159,567.19 and 39,838.66 is: 59,725.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,435.85 : 159,567.19 = 39,838.66 : x
  2. Step 2: Convert to fraction form
    106,435.85/159,567.19 = 39,838.66/x
  3. Step 3: Cross multiply
    106,435.85x = 159,567.19 × 39,838.66
  4. Step 4: Simplify right side
    106,435.85x = 6,356,942,531.05
  5. Step 5: Solve for x
    x = 6,356,942,531.05/106,435.85
  6. Step 6: Final answer
    x = 59,725.58

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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.