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Finding the Fourth Proportional to 64,171.31, 88,520.85 and 37,310.85

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Solution

The fourth proportional to 64,171.31, 88,520.85 and 37,310.85 is: 51,468.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,171.31 : 88,520.85 = 37,310.85 : x
  2. Step 2: Convert to fraction form
    64,171.31/88,520.85 = 37,310.85/x
  3. Step 3: Cross multiply
    64,171.31x = 88,520.85 × 37,310.85
  4. Step 4: Simplify right side
    64,171.31x = 3,302,787,846.22
  5. Step 5: Solve for x
    x = 3,302,787,846.22/64,171.31
  6. Step 6: Final answer
    x = 51,468.30

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1.5x scale

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.