Home / 106,389.14-159,620.16-36,317.66

Finding the Fourth Proportional to 106,389.14, 159,620.16 and 36,317.66

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Solution

The fourth proportional to 106,389.14, 159,620.16 and 36,317.66 is: 54,488.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,389.14 : 159,620.16 = 36,317.66 : x
  2. Step 2: Convert to fraction form
    106,389.14/159,620.16 = 36,317.66/x
  3. Step 3: Cross multiply
    106,389.14x = 159,620.16 × 36,317.66
  4. Step 4: Simplify right side
    106,389.14x = 5,797,030,700.03
  5. Step 5: Solve for x
    x = 5,797,030,700.03/106,389.14
  6. Step 6: Final answer
    x = 54,488.93

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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.