Home / 77,399.25-106,815.63-43,409.75

Finding the Fourth Proportional to 77,399.25, 106,815.63 and 43,409.75

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Solution

The fourth proportional to 77,399.25, 106,815.63 and 43,409.75 is: 59,908.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,399.25 : 106,815.63 = 43,409.75 : x
  2. Step 2: Convert to fraction form
    77,399.25/106,815.63 = 43,409.75/x
  3. Step 3: Cross multiply
    77,399.25x = 106,815.63 × 43,409.75
  4. Step 4: Simplify right side
    77,399.25x = 4,636,839,794.39
  5. Step 5: Solve for x
    x = 4,636,839,794.39/77,399.25
  6. Step 6: Final answer
    x = 59,908.07

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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.