Home / 69,579.88-96,029.28-38,964.63

Finding the Fourth Proportional to 69,579.88, 96,029.28 and 38,964.63

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Solution

The fourth proportional to 69,579.88, 96,029.28 and 38,964.63 is: 53,776.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,579.88 : 96,029.28 = 38,964.63 : x
  2. Step 2: Convert to fraction form
    69,579.88/96,029.28 = 38,964.63/x
  3. Step 3: Cross multiply
    69,579.88x = 96,029.28 × 38,964.63
  4. Step 4: Simplify right side
    69,579.88x = 3,741,745,169.54
  5. Step 5: Solve for x
    x = 3,741,745,169.54/69,579.88
  6. Step 6: Final answer
    x = 53,776.25

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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.