Home / 70,525.27-105,789.43-25,550.64

Finding the Fourth Proportional to 70,525.27, 105,789.43 and 25,550.64

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Solution

The fourth proportional to 70,525.27, 105,789.43 and 25,550.64 is: 38,326.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,525.27 : 105,789.43 = 25,550.64 : x
  2. Step 2: Convert to fraction form
    70,525.27/105,789.43 = 25,550.64/x
  3. Step 3: Cross multiply
    70,525.27x = 105,789.43 × 25,550.64
  4. Step 4: Simplify right side
    70,525.27x = 2,702,987,529.95
  5. Step 5: Solve for x
    x = 2,702,987,529.95/70,525.27
  6. Step 6: Final answer
    x = 38,326.51

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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.