Home / 70,371.14-105,556.68-17,780.62

Finding the Fourth Proportional to 70,371.14, 105,556.68 and 17,780.62

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Solution

The fourth proportional to 70,371.14, 105,556.68 and 17,780.62 is: 26,670.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,371.14 : 105,556.68 = 17,780.62 : x
  2. Step 2: Convert to fraction form
    70,371.14/105,556.68 = 17,780.62/x
  3. Step 3: Cross multiply
    70,371.14x = 105,556.68 × 17,780.62
  4. Step 4: Simplify right side
    70,371.14x = 1,876,863,215.54
  5. Step 5: Solve for x
    x = 1,876,863,215.54/70,371.14
  6. Step 6: Final answer
    x = 26,670.92

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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.