Home / 66,581.40-91,883.08-36,367.62

Finding the Fourth Proportional to 66,581.40, 91,883.08 and 36,367.62

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Solution

The fourth proportional to 66,581.40, 91,883.08 and 36,367.62 is: 50,187.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,581.40 : 91,883.08 = 36,367.62 : x
  2. Step 2: Convert to fraction form
    66,581.40/91,883.08 = 36,367.62/x
  3. Step 3: Cross multiply
    66,581.40x = 91,883.08 × 36,367.62
  4. Step 4: Simplify right side
    66,581.40x = 3,341,568,937.87
  5. Step 5: Solve for x
    x = 3,341,568,937.87/66,581.40
  6. Step 6: Final answer
    x = 50,187.72

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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.