Home / 73,643.38-110,362.09-39,836.42

Finding the Fourth Proportional to 73,643.38, 110,362.09 and 39,836.42

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Solution

The fourth proportional to 73,643.38, 110,362.09 and 39,836.42 is: 59,698.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,643.38 : 110,362.09 = 39,836.42 : x
  2. Step 2: Convert to fraction form
    73,643.38/110,362.09 = 39,836.42/x
  3. Step 3: Cross multiply
    73,643.38x = 110,362.09 × 39,836.42
  4. Step 4: Simplify right side
    73,643.38x = 4,396,430,569.32
  5. Step 5: Solve for x
    x = 4,396,430,569.32/73,643.38
  6. Step 6: Final answer
    x = 59,698.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.