Home / 66,147.17-91,284.74-35,932.49

Finding the Fourth Proportional to 66,147.17, 91,284.74 and 35,932.49

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Solution

The fourth proportional to 66,147.17, 91,284.74 and 35,932.49 is: 49,587.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,147.17 : 91,284.74 = 35,932.49 : x
  2. Step 2: Convert to fraction form
    66,147.17/91,284.74 = 35,932.49/x
  3. Step 3: Cross multiply
    66,147.17x = 91,284.74 × 35,932.49
  4. Step 4: Simplify right side
    66,147.17x = 3,280,088,007.20
  5. Step 5: Solve for x
    x = 3,280,088,007.20/66,147.17
  6. Step 6: Final answer
    x = 49,587.73

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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.