Home / 67,390.26-92,993.31-39,097.77

Finding the Fourth Proportional to 67,390.26, 92,993.31 and 39,097.77

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Solution

The fourth proportional to 67,390.26, 92,993.31 and 39,097.77 is: 53,951.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,390.26 : 92,993.31 = 39,097.77 : x
  2. Step 2: Convert to fraction form
    67,390.26/92,993.31 = 39,097.77/x
  3. Step 3: Cross multiply
    67,390.26x = 92,993.31 × 39,097.77
  4. Step 4: Simplify right side
    67,390.26x = 3,635,831,045.92
  5. Step 5: Solve for x
    x = 3,635,831,045.92/67,390.26
  6. Step 6: Final answer
    x = 53,951.88

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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.