Home / 51,395.49-77,040.72-29,161.90

Finding the Fourth Proportional to 51,395.49, 77,040.72 and 29,161.90

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Solution

The fourth proportional to 51,395.49, 77,040.72 and 29,161.90 is: 43,713.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,395.49 : 77,040.72 = 29,161.90 : x
  2. Step 2: Convert to fraction form
    51,395.49/77,040.72 = 29,161.90/x
  3. Step 3: Cross multiply
    51,395.49x = 77,040.72 × 29,161.90
  4. Step 4: Simplify right side
    51,395.49x = 2,246,653,652.19
  5. Step 5: Solve for x
    x = 2,246,653,652.19/51,395.49
  6. Step 6: Final answer
    x = 43,713.05

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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.