Home / 66,585.27-91,887.12-36,370.62

Finding the Fourth Proportional to 66,585.27, 91,887.12 and 36,370.62

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Solution

The fourth proportional to 66,585.27, 91,887.12 and 36,370.62 is: 50,191.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,585.27 : 91,887.12 = 36,370.62 : x
  2. Step 2: Convert to fraction form
    66,585.27/91,887.12 = 36,370.62/x
  3. Step 3: Cross multiply
    66,585.27x = 91,887.12 × 36,370.62
  4. Step 4: Simplify right side
    66,585.27x = 3,341,991,524.41
  5. Step 5: Solve for x
    x = 3,341,991,524.41/66,585.27
  6. Step 6: Final answer
    x = 50,191.15

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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.