Home / 66,185.55-91,336.06-35,970.94

Finding the Fourth Proportional to 66,185.55, 91,336.06 and 35,970.94

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Solution

The fourth proportional to 66,185.55, 91,336.06 and 35,970.94 is: 49,639.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,185.55 : 91,336.06 = 35,970.94 : x
  2. Step 2: Convert to fraction form
    66,185.55/91,336.06 = 35,970.94/x
  3. Step 3: Cross multiply
    66,185.55x = 91,336.06 × 35,970.94
  4. Step 4: Simplify right side
    66,185.55x = 3,285,443,754.24
  5. Step 5: Solve for x
    x = 3,285,443,754.24/66,185.55
  6. Step 6: Final answer
    x = 49,639.90

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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.