Home / 68,331.60-94,157.64-50,398.20

Finding the Fourth Proportional to 68,331.60, 94,157.64 and 50,398.20

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Solution

The fourth proportional to 68,331.60, 94,157.64 and 50,398.20 is: 69,446.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,331.60 : 94,157.64 = 50,398.20 : x
  2. Step 2: Convert to fraction form
    68,331.60/94,157.64 = 50,398.20/x
  3. Step 3: Cross multiply
    68,331.60x = 94,157.64 × 50,398.20
  4. Step 4: Simplify right side
    68,331.60x = 4,745,375,572.25
  5. Step 5: Solve for x
    x = 4,745,375,572.25/68,331.60
  6. Step 6: Final answer
    x = 69,446.28

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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.