Home / 51,073.46-76,609.92-13,122.68

Finding the Fourth Proportional to 51,073.46, 76,609.92 and 13,122.68

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Solution

The fourth proportional to 51,073.46, 76,609.92 and 13,122.68 is: 19,683.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,073.46 : 76,609.92 = 13,122.68 : x
  2. Step 2: Convert to fraction form
    51,073.46/76,609.92 = 13,122.68/x
  3. Step 3: Cross multiply
    51,073.46x = 76,609.92 × 13,122.68
  4. Step 4: Simplify right side
    51,073.46x = 1,005,327,081.94
  5. Step 5: Solve for x
    x = 1,005,327,081.94/51,073.46
  6. Step 6: Final answer
    x = 19,683.95

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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.