Home / 69,863.05-96,424.30-39,651.21

Finding the Fourth Proportional to 69,863.05, 96,424.30 and 39,651.21

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Solution

The fourth proportional to 69,863.05, 96,424.30 and 39,651.21 is: 54,726.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,863.05 : 96,424.30 = 39,651.21 : x
  2. Step 2: Convert to fraction form
    69,863.05/96,424.30 = 39,651.21/x
  3. Step 3: Cross multiply
    69,863.05x = 96,424.30 × 39,651.21
  4. Step 4: Simplify right side
    69,863.05x = 3,823,340,168.40
  5. Step 5: Solve for x
    x = 3,823,340,168.40/69,863.05
  6. Step 6: Final answer
    x = 54,726.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.