Home / 51,078.50-76,688.82-26,135.76

Finding the Fourth Proportional to 51,078.50, 76,688.82 and 26,135.76

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Solution

The fourth proportional to 51,078.50, 76,688.82 and 26,135.76 is: 39,240.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,078.50 : 76,688.82 = 26,135.76 : x
  2. Step 2: Convert to fraction form
    51,078.50/76,688.82 = 26,135.76/x
  3. Step 3: Cross multiply
    51,078.50x = 76,688.82 × 26,135.76
  4. Step 4: Simplify right side
    51,078.50x = 2,004,320,594.20
  5. Step 5: Solve for x
    x = 2,004,320,594.20/51,078.50
  6. Step 6: Final answer
    x = 39,240.01

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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.