Home / 77,240.22-106,566.72-43,243.70

Finding the Fourth Proportional to 77,240.22, 106,566.72 and 43,243.70

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Solution

The fourth proportional to 77,240.22, 106,566.72 and 43,243.70 is: 59,662.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,240.22 : 106,566.72 = 43,243.70 : x
  2. Step 2: Convert to fraction form
    77,240.22/106,566.72 = 43,243.70/x
  3. Step 3: Cross multiply
    77,240.22x = 106,566.72 × 43,243.70
  4. Step 4: Simplify right side
    77,240.22x = 4,608,339,269.66
  5. Step 5: Solve for x
    x = 4,608,339,269.66/77,240.22
  6. Step 6: Final answer
    x = 59,662.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.