Home / 66,320.20-91,518.89-36,104.75

Finding the Fourth Proportional to 66,320.20, 91,518.89 and 36,104.75

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Solution

The fourth proportional to 66,320.20, 91,518.89 and 36,104.75 is: 49,822.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,320.20 : 91,518.89 = 36,104.75 : x
  2. Step 2: Convert to fraction form
    66,320.20/91,518.89 = 36,104.75/x
  3. Step 3: Cross multiply
    66,320.20x = 91,518.89 × 36,104.75
  4. Step 4: Simplify right side
    66,320.20x = 3,304,266,643.73
  5. Step 5: Solve for x
    x = 3,304,266,643.73/66,320.20
  6. Step 6: Final answer
    x = 49,822.93

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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.