Home / 70,027.61-96,634.26-39,808.74

Finding the Fourth Proportional to 70,027.61, 96,634.26 and 39,808.74

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Solution

The fourth proportional to 70,027.61, 96,634.26 and 39,808.74 is: 54,933.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,027.61 : 96,634.26 = 39,808.74 : x
  2. Step 2: Convert to fraction form
    70,027.61/96,634.26 = 39,808.74/x
  3. Step 3: Cross multiply
    70,027.61x = 96,634.26 × 39,808.74
  4. Step 4: Simplify right side
    70,027.61x = 3,846,887,769.05
  5. Step 5: Solve for x
    x = 3,846,887,769.05/70,027.61
  6. Step 6: Final answer
    x = 54,933.87

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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.