Home / 66,462.12-91,694.57-42,601.95

Finding the Fourth Proportional to 66,462.12, 91,694.57 and 42,601.95

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Solution

The fourth proportional to 66,462.12, 91,694.57 and 42,601.95 is: 58,775.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,462.12 : 91,694.57 = 42,601.95 : x
  2. Step 2: Convert to fraction form
    66,462.12/91,694.57 = 42,601.95/x
  3. Step 3: Cross multiply
    66,462.12x = 91,694.57 × 42,601.95
  4. Step 4: Simplify right side
    66,462.12x = 3,906,367,273.40
  5. Step 5: Solve for x
    x = 3,906,367,273.40/66,462.12
  6. Step 6: Final answer
    x = 58,775.85

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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.