Home / 106,219.62-159,427.98-53,666.01

Finding the Fourth Proportional to 106,219.62, 159,427.98 and 53,666.01

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Solution

The fourth proportional to 106,219.62, 159,427.98 and 53,666.01 is: 80,548.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,219.62 : 159,427.98 = 53,666.01 : x
  2. Step 2: Convert to fraction form
    106,219.62/159,427.98 = 53,666.01/x
  3. Step 3: Cross multiply
    106,219.62x = 159,427.98 × 53,666.01
  4. Step 4: Simplify right side
    106,219.62x = 8,555,863,568.96
  5. Step 5: Solve for x
    x = 8,555,863,568.96/106,219.62
  6. Step 6: Final answer
    x = 80,548.81

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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.