Home / 66,257.18-91,435.53-36,043.17

Finding the Fourth Proportional to 66,257.18, 91,435.53 and 36,043.17

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Solution

The fourth proportional to 66,257.18, 91,435.53 and 36,043.17 is: 49,739.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,257.18 : 91,435.53 = 36,043.17 : x
  2. Step 2: Convert to fraction form
    66,257.18/91,435.53 = 36,043.17/x
  3. Step 3: Cross multiply
    66,257.18x = 91,435.53 × 36,043.17
  4. Step 4: Simplify right side
    66,257.18x = 3,295,626,351.83
  5. Step 5: Solve for x
    x = 3,295,626,351.83/66,257.18
  6. Step 6: Final answer
    x = 49,739.91

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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.