Home / 66,612.45-91,922.52-37,936.02

Finding the Fourth Proportional to 66,612.45, 91,922.52 and 37,936.02

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Solution

The fourth proportional to 66,612.45, 91,922.52 and 37,936.02 is: 52,350.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,612.45 : 91,922.52 = 37,936.02 : x
  2. Step 2: Convert to fraction form
    66,612.45/91,922.52 = 37,936.02/x
  3. Step 3: Cross multiply
    66,612.45x = 91,922.52 × 37,936.02
  4. Step 4: Simplify right side
    66,612.45x = 3,487,174,557.17
  5. Step 5: Solve for x
    x = 3,487,174,557.17/66,612.45
  6. Step 6: Final answer
    x = 52,350.19

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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.