Home / 61,930.08-85,498.92-40,770.86

Finding the Fourth Proportional to 61,930.08, 85,498.92 and 40,770.86

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Solution

The fourth proportional to 61,930.08, 85,498.92 and 40,770.86 is: 56,287.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,930.08 : 85,498.92 = 40,770.86 : x
  2. Step 2: Convert to fraction form
    61,930.08/85,498.92 = 40,770.86/x
  3. Step 3: Cross multiply
    61,930.08x = 85,498.92 × 40,770.86
  4. Step 4: Simplify right side
    61,930.08x = 3,485,864,069.98
  5. Step 5: Solve for x
    x = 3,485,864,069.98/61,930.08
  6. Step 6: Final answer
    x = 56,287.09

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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.