Home / 91,449.30-126,243.19-68,796.94

Finding the Fourth Proportional to 91,449.30, 126,243.19 and 68,796.94

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Solution

The fourth proportional to 91,449.30, 126,243.19 and 68,796.94 is: 94,972.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,449.30 : 126,243.19 = 68,796.94 : x
  2. Step 2: Convert to fraction form
    91,449.30/126,243.19 = 68,796.94/x
  3. Step 3: Cross multiply
    91,449.30x = 126,243.19 × 68,796.94
  4. Step 4: Simplify right side
    91,449.30x = 8,685,144,787.95
  5. Step 5: Solve for x
    x = 8,685,144,787.95/91,449.30
  6. Step 6: Final answer
    x = 94,972.24

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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.