Home / 77,270.88-106,634.16-43,743.36

Finding the Fourth Proportional to 77,270.88, 106,634.16 and 43,743.36

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Solution

The fourth proportional to 77,270.88, 106,634.16 and 43,743.36 is: 60,366.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,270.88 : 106,634.16 = 43,743.36 : x
  2. Step 2: Convert to fraction form
    77,270.88/106,634.16 = 43,743.36/x
  3. Step 3: Cross multiply
    77,270.88x = 106,634.16 × 43,743.36
  4. Step 4: Simplify right side
    77,270.88x = 4,664,536,449.18
  5. Step 5: Solve for x
    x = 4,664,536,449.18/77,270.88
  6. Step 6: Final answer
    x = 60,366.03

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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.