Home / 66,036.72-91,136.96-37,736.92

Finding the Fourth Proportional to 66,036.72, 91,136.96 and 37,736.92

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Solution

The fourth proportional to 66,036.72, 91,136.96 and 37,736.92 is: 52,080.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,036.72 : 91,136.96 = 37,736.92 : x
  2. Step 2: Convert to fraction form
    66,036.72/91,136.96 = 37,736.92/x
  3. Step 3: Cross multiply
    66,036.72x = 91,136.96 × 37,736.92
  4. Step 4: Simplify right side
    66,036.72x = 3,439,228,168.56
  5. Step 5: Solve for x
    x = 3,439,228,168.56/66,036.72
  6. Step 6: Final answer
    x = 52,080.54

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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.