Home / 62,270.20-85,906.88-40,765.20

Finding the Fourth Proportional to 62,270.20, 85,906.88 and 40,765.20

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Solution

The fourth proportional to 62,270.20, 85,906.88 and 40,765.20 is: 56,238.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,270.20 : 85,906.88 = 40,765.20 : x
  2. Step 2: Convert to fraction form
    62,270.20/85,906.88 = 40,765.20/x
  3. Step 3: Cross multiply
    62,270.20x = 85,906.88 × 40,765.20
  4. Step 4: Simplify right side
    62,270.20x = 3,502,011,144.58
  5. Step 5: Solve for x
    x = 3,502,011,144.58/62,270.20
  6. Step 6: Final answer
    x = 56,238.96

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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.