Home / 66,934.28-100,449.98-53,943.50

Finding the Fourth Proportional to 66,934.28, 100,449.98 and 53,943.50

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Solution

The fourth proportional to 66,934.28, 100,449.98 and 53,943.50 is: 80,954.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,934.28 : 100,449.98 = 53,943.50 : x
  2. Step 2: Convert to fraction form
    66,934.28/100,449.98 = 53,943.50/x
  3. Step 3: Cross multiply
    66,934.28x = 100,449.98 × 53,943.50
  4. Step 4: Simplify right side
    66,934.28x = 5,418,622,724.16
  5. Step 5: Solve for x
    x = 5,418,622,724.16/66,934.28
  6. Step 6: Final answer
    x = 80,954.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.