Home / 66,089.28-91,187.46-37,794.36

Finding the Fourth Proportional to 66,089.28, 91,187.46 and 37,794.36

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Solution

The fourth proportional to 66,089.28, 91,187.46 and 37,794.36 is: 52,147.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,089.28 : 91,187.46 = 37,794.36 : x
  2. Step 2: Convert to fraction form
    66,089.28/91,187.46 = 37,794.36/x
  3. Step 3: Cross multiply
    66,089.28x = 91,187.46 × 37,794.36
  4. Step 4: Simplify right side
    66,089.28x = 3,446,371,690.73
  5. Step 5: Solve for x
    x = 3,446,371,690.73/66,089.28
  6. Step 6: Final answer
    x = 52,147.21

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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.