Home / 69,358.12-103,993.44-38,215.24

Finding the Fourth Proportional to 69,358.12, 103,993.44 and 38,215.24

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Solution

The fourth proportional to 69,358.12, 103,993.44 and 38,215.24 is: 57,298.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,358.12 : 103,993.44 = 38,215.24 : x
  2. Step 2: Convert to fraction form
    69,358.12/103,993.44 = 38,215.24/x
  3. Step 3: Cross multiply
    69,358.12x = 103,993.44 × 38,215.24
  4. Step 4: Simplify right side
    69,358.12x = 3,974,134,268.03
  5. Step 5: Solve for x
    x = 3,974,134,268.03/69,358.12
  6. Step 6: Final answer
    x = 57,298.76

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1.5x scale

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.