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Finding the Fourth Proportional to 66,052.97, 91,153.10 and 37,759.26

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Solution

The fourth proportional to 66,052.97, 91,153.10 and 37,759.26 is: 52,107.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,052.97 : 91,153.10 = 37,759.26 : x
  2. Step 2: Convert to fraction form
    66,052.97/91,153.10 = 37,759.26/x
  3. Step 3: Cross multiply
    66,052.97x = 91,153.10 × 37,759.26
  4. Step 4: Simplify right side
    66,052.97x = 3,441,874,038.93
  5. Step 5: Solve for x
    x = 3,441,874,038.93/66,052.97
  6. Step 6: Final answer
    x = 52,107.79

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1.5x scale

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.