Home / 66,539.52-91,824.96-36,731.52

Finding the Fourth Proportional to 66,539.52, 91,824.96 and 36,731.52

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Solution

The fourth proportional to 66,539.52, 91,824.96 and 36,731.52 is: 50,689.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,539.52 : 91,824.96 = 36,731.52 : x
  2. Step 2: Convert to fraction form
    66,539.52/91,824.96 = 36,731.52/x
  3. Step 3: Cross multiply
    66,539.52x = 91,824.96 × 36,731.52
  4. Step 4: Simplify right side
    66,539.52x = 3,372,870,354.74
  5. Step 5: Solve for x
    x = 3,372,870,354.74/66,539.52
  6. Step 6: Final answer
    x = 50,689.73

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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.