Home / 66,073.28-91,181.19-35,858.61

Finding the Fourth Proportional to 66,073.28, 91,181.19 and 35,858.61

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Solution

The fourth proportional to 66,073.28, 91,181.19 and 35,858.61 is: 49,484.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,073.28 : 91,181.19 = 35,858.61 : x
  2. Step 2: Convert to fraction form
    66,073.28/91,181.19 = 35,858.61/x
  3. Step 3: Cross multiply
    66,073.28x = 91,181.19 × 35,858.61
  4. Step 4: Simplify right side
    66,073.28x = 3,269,630,731.55
  5. Step 5: Solve for x
    x = 3,269,630,731.55/66,073.28
  6. Step 6: Final answer
    x = 49,484.92

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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.