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Finding the Fourth Proportional to 66,875.48, 92,287.58 and 36,662.48

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Solution

The fourth proportional to 66,875.48, 92,287.58 and 36,662.48 is: 50,593.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,875.48 : 92,287.58 = 36,662.48 : x
  2. Step 2: Convert to fraction form
    66,875.48/92,287.58 = 36,662.48/x
  3. Step 3: Cross multiply
    66,875.48x = 92,287.58 × 36,662.48
  4. Step 4: Simplify right side
    66,875.48x = 3,383,491,556.00
  5. Step 5: Solve for x
    x = 3,383,491,556.00/66,875.48
  6. Step 6: Final answer
    x = 50,593.90

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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.