Home / 68,074.48-93,916.56-50,211.82

Finding the Fourth Proportional to 68,074.48, 93,916.56 and 50,211.82

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Solution

The fourth proportional to 68,074.48, 93,916.56 and 50,211.82 is: 69,272.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,074.48 : 93,916.56 = 50,211.82 : x
  2. Step 2: Convert to fraction form
    68,074.48/93,916.56 = 50,211.82/x
  3. Step 3: Cross multiply
    68,074.48x = 93,916.56 × 50,211.82
  4. Step 4: Simplify right side
    68,074.48x = 4,715,721,405.74
  5. Step 5: Solve for x
    x = 4,715,721,405.74/68,074.48
  6. Step 6: Final answer
    x = 69,272.97

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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.