Home / 66,569.99-91,867.32-36,356.20

Finding the Fourth Proportional to 66,569.99, 91,867.32 and 36,356.20

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Solution

The fourth proportional to 66,569.99, 91,867.32 and 36,356.20 is: 50,171.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,569.99 : 91,867.32 = 36,356.20 : x
  2. Step 2: Convert to fraction form
    66,569.99/91,867.32 = 36,356.20/x
  3. Step 3: Cross multiply
    66,569.99x = 91,867.32 × 36,356.20
  4. Step 4: Simplify right side
    66,569.99x = 3,339,946,659.38
  5. Step 5: Solve for x
    x = 3,339,946,659.38/66,569.99
  6. Step 6: Final answer
    x = 50,171.96

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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.