Home / 106,181.18-159,299.54-39,621.89

Finding the Fourth Proportional to 106,181.18, 159,299.54 and 39,621.89

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Solution

The fourth proportional to 106,181.18, 159,299.54 and 39,621.89 is: 59,443.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,181.18 : 159,299.54 = 39,621.89 : x
  2. Step 2: Convert to fraction form
    106,181.18/159,299.54 = 39,621.89/x
  3. Step 3: Cross multiply
    106,181.18x = 159,299.54 × 39,621.89
  4. Step 4: Simplify right side
    106,181.18x = 6,311,747,856.32
  5. Step 5: Solve for x
    x = 6,311,747,856.32/106,181.18
  6. Step 6: Final answer
    x = 59,443.19

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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.