Home / 68,459.45-94,472.99-38,245.20

Finding the Fourth Proportional to 68,459.45, 94,472.99 and 38,245.20

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Solution

The fourth proportional to 68,459.45, 94,472.99 and 38,245.20 is: 52,777.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,459.45 : 94,472.99 = 38,245.20 : x
  2. Step 2: Convert to fraction form
    68,459.45/94,472.99 = 38,245.20/x
  3. Step 3: Cross multiply
    68,459.45x = 94,472.99 × 38,245.20
  4. Step 4: Simplify right side
    68,459.45x = 3,613,138,397.15
  5. Step 5: Solve for x
    x = 3,613,138,397.15/68,459.45
  6. Step 6: Final answer
    x = 52,777.79

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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.