Home / 66,065.27-91,174.64-37,385.06

Finding the Fourth Proportional to 66,065.27, 91,174.64 and 37,385.06

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Solution

The fourth proportional to 66,065.27, 91,174.64 and 37,385.06 is: 51,593.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,065.27 : 91,174.64 = 37,385.06 : x
  2. Step 2: Convert to fraction form
    66,065.27/91,174.64 = 37,385.06/x
  3. Step 3: Cross multiply
    66,065.27x = 91,174.64 × 37,385.06
  4. Step 4: Simplify right side
    66,065.27x = 3,408,568,744.08
  5. Step 5: Solve for x
    x = 3,408,568,744.08/66,065.27
  6. Step 6: Final answer
    x = 51,593.96

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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.