Home / 67,898.05-101,853-27,919.47

Finding the Fourth Proportional to 67,898.05, 101,853 and 27,919.47

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Solution

The fourth proportional to 67,898.05, 101,853 and 27,919.47 is: 41,881.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,898.05 : 101,853 = 27,919.47 : x
  2. Step 2: Convert to fraction form
    67,898.05/101,853 = 27,919.47/x
  3. Step 3: Cross multiply
    67,898.05x = 101,853 × 27,919.47
  4. Step 4: Simplify right side
    67,898.05x = 2,843,681,777.91
  5. Step 5: Solve for x
    x = 2,843,681,777.91/67,898.05
  6. Step 6: Final answer
    x = 41,881.64

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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.