Home / 67,326-92,909.38-37,111.35

Finding the Fourth Proportional to 67,326, 92,909.38 and 37,111.35

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Solution

The fourth proportional to 67,326, 92,909.38 and 37,111.35 is: 51,213.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,326 : 92,909.38 = 37,111.35 : x
  2. Step 2: Convert to fraction form
    67,326/92,909.38 = 37,111.35/x
  3. Step 3: Cross multiply
    67,326x = 92,909.38 × 37,111.35
  4. Step 4: Simplify right side
    67,326x = 3,447,992,519.46
  5. Step 5: Solve for x
    x = 3,447,992,519.46/67,326
  6. Step 6: Final answer
    x = 51,213.39

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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.