Home / 66,276.20-91,461.56-36,061.75

Finding the Fourth Proportional to 66,276.20, 91,461.56 and 36,061.75

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Solution

The fourth proportional to 66,276.20, 91,461.56 and 36,061.75 is: 49,765.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,276.20 : 91,461.56 = 36,061.75 : x
  2. Step 2: Convert to fraction form
    66,276.20/91,461.56 = 36,061.75/x
  3. Step 3: Cross multiply
    66,276.20x = 91,461.56 × 36,061.75
  4. Step 4: Simplify right side
    66,276.20x = 3,298,263,845.35
  5. Step 5: Solve for x
    x = 3,298,263,845.35/66,276.20
  6. Step 6: Final answer
    x = 49,765.43

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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.