Home / 66,514.02-91,791.28-36,301.28

Finding the Fourth Proportional to 66,514.02, 91,791.28 and 36,301.28

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Solution

The fourth proportional to 66,514.02, 91,791.28 and 36,301.28 is: 50,096.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,514.02 : 91,791.28 = 36,301.28 : x
  2. Step 2: Convert to fraction form
    66,514.02/91,791.28 = 36,301.28/x
  3. Step 3: Cross multiply
    66,514.02x = 91,791.28 × 36,301.28
  4. Step 4: Simplify right side
    66,514.02x = 3,332,140,956.84
  5. Step 5: Solve for x
    x = 3,332,140,956.84/66,514.02
  6. Step 6: Final answer
    x = 50,096.82

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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.