Home / 45,315.12-67,956.45-17,227.68

Finding the Fourth Proportional to 45,315.12, 67,956.45 and 17,227.68

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Solution

The fourth proportional to 45,315.12, 67,956.45 and 17,227.68 is: 25,835.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,315.12 : 67,956.45 = 17,227.68 : x
  2. Step 2: Convert to fraction form
    45,315.12/67,956.45 = 17,227.68/x
  3. Step 3: Cross multiply
    45,315.12x = 67,956.45 × 17,227.68
  4. Step 4: Simplify right side
    45,315.12x = 1,170,731,974.54
  5. Step 5: Solve for x
    x = 1,170,731,974.54/45,315.12
  6. Step 6: Final answer
    x = 25,835.35

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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.