Home / 66,919.28-100,403.52-27,465.76

Finding the Fourth Proportional to 66,919.28, 100,403.52 and 27,465.76

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Solution

The fourth proportional to 66,919.28, 100,403.52 and 27,465.76 is: 41,208.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,919.28 : 100,403.52 = 27,465.76 : x
  2. Step 2: Convert to fraction form
    66,919.28/100,403.52 = 27,465.76/x
  3. Step 3: Cross multiply
    66,919.28x = 100,403.52 × 27,465.76
  4. Step 4: Simplify right side
    66,919.28x = 2,757,658,983.48
  5. Step 5: Solve for x
    x = 2,757,658,983.48/66,919.28
  6. Step 6: Final answer
    x = 41,208.74

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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.