Home / 68,321.08-94,283.60-38,108.36

Finding the Fourth Proportional to 68,321.08, 94,283.60 and 38,108.36

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Solution

The fourth proportional to 68,321.08, 94,283.60 and 38,108.36 is: 52,589.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,321.08 : 94,283.60 = 38,108.36 : x
  2. Step 2: Convert to fraction form
    68,321.08/94,283.60 = 38,108.36/x
  3. Step 3: Cross multiply
    68,321.08x = 94,283.60 × 38,108.36
  4. Step 4: Simplify right side
    68,321.08x = 3,592,993,370.90
  5. Step 5: Solve for x
    x = 3,592,993,370.90/68,321.08
  6. Step 6: Final answer
    x = 52,589.82

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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.