Home / 106,583.56-159,875.35-31,704.78

Finding the Fourth Proportional to 106,583.56, 159,875.35 and 31,704.78

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Solution

The fourth proportional to 106,583.56, 159,875.35 and 31,704.78 is: 47,557.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,583.56 : 159,875.35 = 31,704.78 : x
  2. Step 2: Convert to fraction form
    106,583.56/159,875.35 = 31,704.78/x
  3. Step 3: Cross multiply
    106,583.56x = 159,875.35 × 31,704.78
  4. Step 4: Simplify right side
    106,583.56x = 5,068,813,497.78
  5. Step 5: Solve for x
    x = 5,068,813,497.78/106,583.56
  6. Step 6: Final answer
    x = 47,557.18

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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.