Home / 106,049.28-159,065.64-61,647.71

Finding the Fourth Proportional to 106,049.28, 159,065.64 and 61,647.71

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Solution

The fourth proportional to 106,049.28, 159,065.64 and 61,647.71 is: 92,466.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,049.28 : 159,065.64 = 61,647.71 : x
  2. Step 2: Convert to fraction form
    106,049.28/159,065.64 = 61,647.71/x
  3. Step 3: Cross multiply
    106,049.28x = 159,065.64 × 61,647.71
  4. Step 4: Simplify right side
    106,049.28x = 9,806,031,496.24
  5. Step 5: Solve for x
    x = 9,806,031,496.24/106,049.28
  6. Step 6: Final answer
    x = 92,466.75

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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.