Home / 106,436.71-159,676.67-39,875.59

Finding the Fourth Proportional to 106,436.71, 159,676.67 and 39,875.59

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Solution

The fourth proportional to 106,436.71, 159,676.67 and 39,875.59 is: 59,821.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,436.71 : 159,676.67 = 39,875.59 : x
  2. Step 2: Convert to fraction form
    106,436.71/159,676.67 = 39,875.59/x
  3. Step 3: Cross multiply
    106,436.71x = 159,676.67 × 39,875.59
  4. Step 4: Simplify right side
    106,436.71x = 6,367,201,425.49
  5. Step 5: Solve for x
    x = 6,367,201,425.49/106,436.71
  6. Step 6: Final answer
    x = 59,821.48

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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.