Home / 67,371.72-92,971.80-37,159.86

Finding the Fourth Proportional to 67,371.72, 92,971.80 and 37,159.86

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Solution

The fourth proportional to 67,371.72, 92,971.80 and 37,159.86 is: 51,279.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,371.72 : 92,971.80 = 37,159.86 : x
  2. Step 2: Convert to fraction form
    67,371.72/92,971.80 = 37,159.86/x
  3. Step 3: Cross multiply
    67,371.72x = 92,971.80 × 37,159.86
  4. Step 4: Simplify right side
    67,371.72x = 3,454,819,071.95
  5. Step 5: Solve for x
    x = 3,454,819,071.95/67,371.72
  6. Step 6: Final answer
    x = 51,279.96

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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.