Home / 69,738.28-96,238.56-39,529.42

Finding the Fourth Proportional to 69,738.28, 96,238.56 and 39,529.42

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Solution

The fourth proportional to 69,738.28, 96,238.56 and 39,529.42 is: 54,550.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,738.28 : 96,238.56 = 39,529.42 : x
  2. Step 2: Convert to fraction form
    69,738.28/96,238.56 = 39,529.42/x
  3. Step 3: Cross multiply
    69,738.28x = 96,238.56 × 39,529.42
  4. Step 4: Simplify right side
    69,738.28x = 3,804,254,458.44
  5. Step 5: Solve for x
    x = 3,804,254,458.44/69,738.28
  6. Step 6: Final answer
    x = 54,550.45

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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.