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Finding the Fourth Proportional to 67,840.92, 93,621.57 and 37,627.50

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Solution

The fourth proportional to 67,840.92, 93,621.57 and 37,627.50 is: 51,926.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,840.92 : 93,621.57 = 37,627.50 : x
  2. Step 2: Convert to fraction form
    67,840.92/93,621.57 = 37,627.50/x
  3. Step 3: Cross multiply
    67,840.92x = 93,621.57 × 37,627.50
  4. Step 4: Simplify right side
    67,840.92x = 3,522,745,625.18
  5. Step 5: Solve for x
    x = 3,522,745,625.18/67,840.92
  6. Step 6: Final answer
    x = 51,926.56

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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.