Home / 51,204.66-77,078.72-36,515.22

Finding the Fourth Proportional to 51,204.66, 77,078.72 and 36,515.22

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Solution

The fourth proportional to 51,204.66, 77,078.72 and 36,515.22 is: 54,966.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,204.66 : 77,078.72 = 36,515.22 : x
  2. Step 2: Convert to fraction form
    51,204.66/77,078.72 = 36,515.22/x
  3. Step 3: Cross multiply
    51,204.66x = 77,078.72 × 36,515.22
  4. Step 4: Simplify right side
    51,204.66x = 2,814,546,235.54
  5. Step 5: Solve for x
    x = 2,814,546,235.54/51,204.66
  6. Step 6: Final answer
    x = 54,966.60

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.