Home / 77,634.56-107,133.36-43,643.36

Finding the Fourth Proportional to 77,634.56, 107,133.36 and 43,643.36

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Solution

The fourth proportional to 77,634.56, 107,133.36 and 43,643.36 is: 60,226.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,634.56 : 107,133.36 = 43,643.36 : x
  2. Step 2: Convert to fraction form
    77,634.56/107,133.36 = 43,643.36/x
  3. Step 3: Cross multiply
    77,634.56x = 107,133.36 × 43,643.36
  4. Step 4: Simplify right side
    77,634.56x = 4,675,659,798.49
  5. Step 5: Solve for x
    x = 4,675,659,798.49/77,634.56
  6. Step 6: Final answer
    x = 60,226.53

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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.