Home / 66,219.38-91,383.08-36,004.94

Finding the Fourth Proportional to 66,219.38, 91,383.08 and 36,004.94

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Solution

The fourth proportional to 66,219.38, 91,383.08 and 36,004.94 is: 49,687.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,219.38 : 91,383.08 = 36,004.94 : x
  2. Step 2: Convert to fraction form
    66,219.38/91,383.08 = 36,004.94/x
  3. Step 3: Cross multiply
    66,219.38x = 91,383.08 × 36,004.94
  4. Step 4: Simplify right side
    66,219.38x = 3,290,242,312.42
  5. Step 5: Solve for x
    x = 3,290,242,312.42/66,219.38
  6. Step 6: Final answer
    x = 49,687.00

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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.