Home / 68,321.27-94,283.89-38,108.57

Finding the Fourth Proportional to 68,321.27, 94,283.89 and 38,108.57

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Solution

The fourth proportional to 68,321.27, 94,283.89 and 38,108.57 is: 52,590.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,321.27 : 94,283.89 = 38,108.57 : x
  2. Step 2: Convert to fraction form
    68,321.27/94,283.89 = 38,108.57/x
  3. Step 3: Cross multiply
    68,321.27x = 94,283.89 × 38,108.57
  4. Step 4: Simplify right side
    68,321.27x = 3,593,023,655.25
  5. Step 5: Solve for x
    x = 3,593,023,655.25/68,321.27
  6. Step 6: Final answer
    x = 52,590.12

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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.