Home / 66,178.96-91,327.54-35,964.28

Finding the Fourth Proportional to 66,178.96, 91,327.54 and 35,964.28

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Solution

The fourth proportional to 66,178.96, 91,327.54 and 35,964.28 is: 49,631.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,178.96 : 91,327.54 = 35,964.28 : x
  2. Step 2: Convert to fraction form
    66,178.96/91,327.54 = 35,964.28/x
  3. Step 3: Cross multiply
    66,178.96x = 91,327.54 × 35,964.28
  4. Step 4: Simplify right side
    66,178.96x = 3,284,529,220.27
  5. Step 5: Solve for x
    x = 3,284,529,220.27/66,178.96
  6. Step 6: Final answer
    x = 49,631.02

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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.