Home / 106,411.74-159,617.60-31,532.95

Finding the Fourth Proportional to 106,411.74, 159,617.60 and 31,532.95

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Solution

The fourth proportional to 106,411.74, 159,617.60 and 31,532.95 is: 47,299.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,411.74 : 159,617.60 = 31,532.95 : x
  2. Step 2: Convert to fraction form
    106,411.74/159,617.60 = 31,532.95/x
  3. Step 3: Cross multiply
    106,411.74x = 159,617.60 × 31,532.95
  4. Step 4: Simplify right side
    106,411.74x = 5,033,213,799.92
  5. Step 5: Solve for x
    x = 5,033,213,799.92/106,411.74
  6. Step 6: Final answer
    x = 47,299.42

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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.