Home / 51,431.93-77,120.15-23,336.66

Finding the Fourth Proportional to 51,431.93, 77,120.15 and 23,336.66

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Solution

The fourth proportional to 51,431.93, 77,120.15 and 23,336.66 is: 34,992.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,431.93 : 77,120.15 = 23,336.66 : x
  2. Step 2: Convert to fraction form
    51,431.93/77,120.15 = 23,336.66/x
  3. Step 3: Cross multiply
    51,431.93x = 77,120.15 × 23,336.66
  4. Step 4: Simplify right side
    51,431.93x = 1,799,726,217.41
  5. Step 5: Solve for x
    x = 1,799,726,217.41/51,431.93
  6. Step 6: Final answer
    x = 34,992.39

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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.