Home / 74,928.82-111,846.66-65,470.22

Finding the Fourth Proportional to 74,928.82, 111,846.66 and 65,470.22

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Solution

The fourth proportional to 74,928.82, 111,846.66 and 65,470.22 is: 97,727.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,928.82 : 111,846.66 = 65,470.22 : x
  2. Step 2: Convert to fraction form
    74,928.82/111,846.66 = 65,470.22/x
  3. Step 3: Cross multiply
    74,928.82x = 111,846.66 × 65,470.22
  4. Step 4: Simplify right side
    74,928.82x = 7,322,625,436.47
  5. Step 5: Solve for x
    x = 7,322,625,436.47/74,928.82
  6. Step 6: Final answer
    x = 97,727.76

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.