Home / 67,005.39-100,509.45-27,557.37

Finding the Fourth Proportional to 67,005.39, 100,509.45 and 27,557.37

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Solution

The fourth proportional to 67,005.39, 100,509.45 and 27,557.37 is: 41,336.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,005.39 : 100,509.45 = 27,557.37 : x
  2. Step 2: Convert to fraction form
    67,005.39/100,509.45 = 27,557.37/x
  3. Step 3: Cross multiply
    67,005.39x = 100,509.45 × 27,557.37
  4. Step 4: Simplify right side
    67,005.39x = 2,769,776,102.15
  5. Step 5: Solve for x
    x = 2,769,776,102.15/67,005.39
  6. Step 6: Final answer
    x = 41,336.62

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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.