Home / 69,425.01-95,806.58-39,216.78

Finding the Fourth Proportional to 69,425.01, 95,806.58 and 39,216.78

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Solution

The fourth proportional to 69,425.01, 95,806.58 and 39,216.78 is: 54,119.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,425.01 : 95,806.58 = 39,216.78 : x
  2. Step 2: Convert to fraction form
    69,425.01/95,806.58 = 39,216.78/x
  3. Step 3: Cross multiply
    69,425.01x = 95,806.58 × 39,216.78
  4. Step 4: Simplify right side
    69,425.01x = 3,757,225,374.33
  5. Step 5: Solve for x
    x = 3,757,225,374.33/69,425.01
  6. Step 6: Final answer
    x = 54,119.19

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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.