Home / 51,129.07-76,591.50-40,616.89

Finding the Fourth Proportional to 51,129.07, 76,591.50 and 40,616.89

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Solution

The fourth proportional to 51,129.07, 76,591.50 and 40,616.89 is: 60,844.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,129.07 : 76,591.50 = 40,616.89 : x
  2. Step 2: Convert to fraction form
    51,129.07/76,591.50 = 40,616.89/x
  3. Step 3: Cross multiply
    51,129.07x = 76,591.50 × 40,616.89
  4. Step 4: Simplify right side
    51,129.07x = 3,110,908,530.44
  5. Step 5: Solve for x
    x = 3,110,908,530.44/51,129.07
  6. Step 6: Final answer
    x = 60,844.22

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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.