Home / 66,311.06-91,510.44-36,097.25

Finding the Fourth Proportional to 66,311.06, 91,510.44 and 36,097.25

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Solution

The fourth proportional to 66,311.06, 91,510.44 and 36,097.25 is: 49,814.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,311.06 : 91,510.44 = 36,097.25 : x
  2. Step 2: Convert to fraction form
    66,311.06/91,510.44 = 36,097.25/x
  3. Step 3: Cross multiply
    66,311.06x = 91,510.44 × 36,097.25
  4. Step 4: Simplify right side
    66,311.06x = 3,303,275,230.29
  5. Step 5: Solve for x
    x = 3,303,275,230.29/66,311.06
  6. Step 6: Final answer
    x = 49,814.85

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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.