Home / 66,320.56-91,522.36-36,512.56

Finding the Fourth Proportional to 66,320.56, 91,522.36 and 36,512.56

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Solution

The fourth proportional to 66,320.56, 91,522.36 and 36,512.56 is: 50,387.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,320.56 : 91,522.36 = 36,512.56 : x
  2. Step 2: Convert to fraction form
    66,320.56/91,522.36 = 36,512.56/x
  3. Step 3: Cross multiply
    66,320.56x = 91,522.36 × 36,512.56
  4. Step 4: Simplify right side
    66,320.56x = 3,341,715,660.84
  5. Step 5: Solve for x
    x = 3,341,715,660.84/66,320.56
  6. Step 6: Final answer
    x = 50,387.33

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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.