Home / 51,139.01-76,720.77-16,078.67

Finding the Fourth Proportional to 51,139.01, 76,720.77 and 16,078.67

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Solution

The fourth proportional to 51,139.01, 76,720.77 and 16,078.67 is: 24,121.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,139.01 : 76,720.77 = 16,078.67 : x
  2. Step 2: Convert to fraction form
    51,139.01/76,720.77 = 16,078.67/x
  3. Step 3: Cross multiply
    51,139.01x = 76,720.77 × 16,078.67
  4. Step 4: Simplify right side
    51,139.01x = 1,233,567,478.98
  5. Step 5: Solve for x
    x = 1,233,567,478.98/51,139.01
  6. Step 6: Final answer
    x = 24,121.85

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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.