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Finding the Fourth Proportional to 57,468.74, 79,343.91 and 37,059.94

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Solution

The fourth proportional to 57,468.74, 79,343.91 and 37,059.94 is: 51,166.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,468.74 : 79,343.91 = 37,059.94 : x
  2. Step 2: Convert to fraction form
    57,468.74/79,343.91 = 37,059.94/x
  3. Step 3: Cross multiply
    57,468.74x = 79,343.91 × 37,059.94
  4. Step 4: Simplify right side
    57,468.74x = 2,940,480,147.25
  5. Step 5: Solve for x
    x = 2,940,480,147.25/57,468.74
  6. Step 6: Final answer
    x = 51,166.60

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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.