Home / 51,297.12-76,920.21-15,749.91

Finding the Fourth Proportional to 51,297.12, 76,920.21 and 15,749.91

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Solution

The fourth proportional to 51,297.12, 76,920.21 and 15,749.91 is: 23,617.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,297.12 : 76,920.21 = 15,749.91 : x
  2. Step 2: Convert to fraction form
    51,297.12/76,920.21 = 15,749.91/x
  3. Step 3: Cross multiply
    51,297.12x = 76,920.21 × 15,749.91
  4. Step 4: Simplify right side
    51,297.12x = 1,211,486,384.68
  5. Step 5: Solve for x
    x = 1,211,486,384.68/51,297.12
  6. Step 6: Final answer
    x = 23,617.04

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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.