Home / 66,115.28-91,313.52-44,857.64

Finding the Fourth Proportional to 66,115.28, 91,313.52 and 44,857.64

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Solution

The fourth proportional to 66,115.28, 91,313.52 and 44,857.64 is: 61,954.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,115.28 : 91,313.52 = 44,857.64 : x
  2. Step 2: Convert to fraction form
    66,115.28/91,313.52 = 44,857.64/x
  3. Step 3: Cross multiply
    66,115.28x = 91,313.52 × 44,857.64
  4. Step 4: Simplify right side
    66,115.28x = 4,096,109,007.29
  5. Step 5: Solve for x
    x = 4,096,109,007.29/66,115.28
  6. Step 6: Final answer
    x = 61,954.04

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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.