Home / 68,366.90-94,321.23-42,874.35

Finding the Fourth Proportional to 68,366.90, 94,321.23 and 42,874.35

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Solution

The fourth proportional to 68,366.90, 94,321.23 and 42,874.35 is: 59,150.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,366.90 : 94,321.23 = 42,874.35 : x
  2. Step 2: Convert to fraction form
    68,366.90/94,321.23 = 42,874.35/x
  3. Step 3: Cross multiply
    68,366.90x = 94,321.23 × 42,874.35
  4. Step 4: Simplify right side
    68,366.90x = 4,043,960,912.97
  5. Step 5: Solve for x
    x = 4,043,960,912.97/68,366.90
  6. Step 6: Final answer
    x = 59,150.86

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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.