Home / 69,238.69-95,581.26-40,554.36

Finding the Fourth Proportional to 69,238.69, 95,581.26 and 40,554.36

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Solution

The fourth proportional to 69,238.69, 95,581.26 and 40,554.36 is: 55,983.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,238.69 : 95,581.26 = 40,554.36 : x
  2. Step 2: Convert to fraction form
    69,238.69/95,581.26 = 40,554.36/x
  3. Step 3: Cross multiply
    69,238.69x = 95,581.26 × 40,554.36
  4. Step 4: Simplify right side
    69,238.69x = 3,876,236,827.29
  5. Step 5: Solve for x
    x = 3,876,236,827.29/69,238.69
  6. Step 6: Final answer
    x = 55,983.68

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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.