Home / 80,214.45-110,578.05-61,060.86

Finding the Fourth Proportional to 80,214.45, 110,578.05 and 61,060.86

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Solution

The fourth proportional to 80,214.45, 110,578.05 and 61,060.86 is: 84,174.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,214.45 : 110,578.05 = 61,060.86 : x
  2. Step 2: Convert to fraction form
    80,214.45/110,578.05 = 61,060.86/x
  3. Step 3: Cross multiply
    80,214.45x = 110,578.05 × 61,060.86
  4. Step 4: Simplify right side
    80,214.45x = 6,751,990,830.12
  5. Step 5: Solve for x
    x = 6,751,990,830.12/80,214.45
  6. Step 6: Final answer
    x = 84,174.25

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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.