Home / 68,500.96-94,531.98-40,207.12

Finding the Fourth Proportional to 68,500.96, 94,531.98 and 40,207.12

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Solution

The fourth proportional to 68,500.96, 94,531.98 and 40,207.12 is: 55,486.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,500.96 : 94,531.98 = 40,207.12 : x
  2. Step 2: Convert to fraction form
    68,500.96/94,531.98 = 40,207.12/x
  3. Step 3: Cross multiply
    68,500.96x = 94,531.98 × 40,207.12
  4. Step 4: Simplify right side
    68,500.96x = 3,800,858,663.70
  5. Step 5: Solve for x
    x = 3,800,858,663.70/68,500.96
  6. Step 6: Final answer
    x = 55,486.21

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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.