Home / 70,308.06-105,371.50-25,882.19

Finding the Fourth Proportional to 70,308.06, 105,371.50 and 25,882.19

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Solution

The fourth proportional to 70,308.06, 105,371.50 and 25,882.19 is: 38,789.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,308.06 : 105,371.50 = 25,882.19 : x
  2. Step 2: Convert to fraction form
    70,308.06/105,371.50 = 25,882.19/x
  3. Step 3: Cross multiply
    70,308.06x = 105,371.50 × 25,882.19
  4. Step 4: Simplify right side
    70,308.06x = 2,727,245,183.59
  5. Step 5: Solve for x
    x = 2,727,245,183.59/70,308.06
  6. Step 6: Final answer
    x = 38,789.94

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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.