Home / 66,532.38-91,816.89-36,319.50

Finding the Fourth Proportional to 66,532.38, 91,816.89 and 36,319.50

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Solution

The fourth proportional to 66,532.38, 91,816.89 and 36,319.50 is: 50,122.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,532.38 : 91,816.89 = 36,319.50 : x
  2. Step 2: Convert to fraction form
    66,532.38/91,816.89 = 36,319.50/x
  3. Step 3: Cross multiply
    66,532.38x = 91,816.89 × 36,319.50
  4. Step 4: Simplify right side
    66,532.38x = 3,334,743,536.36
  5. Step 5: Solve for x
    x = 3,334,743,536.36/66,532.38
  6. Step 6: Final answer
    x = 50,122.11

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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.