Home / 66,213.59-91,376.56-36,000.95

Finding the Fourth Proportional to 66,213.59, 91,376.56 and 36,000.95

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Solution

The fourth proportional to 66,213.59, 91,376.56 and 36,000.95 is: 49,682.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,213.59 : 91,376.56 = 36,000.95 : x
  2. Step 2: Convert to fraction form
    66,213.59/91,376.56 = 36,000.95/x
  3. Step 3: Cross multiply
    66,213.59x = 91,376.56 × 36,000.95
  4. Step 4: Simplify right side
    66,213.59x = 3,289,642,787.73
  5. Step 5: Solve for x
    x = 3,289,642,787.73/66,213.59
  6. Step 6: Final answer
    x = 49,682.29

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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.