Home / 84,919.86-127,371.96-28,753.52

Finding the Fourth Proportional to 84,919.86, 127,371.96 and 28,753.52

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Solution

The fourth proportional to 84,919.86, 127,371.96 and 28,753.52 is: 43,127.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,919.86 : 127,371.96 = 28,753.52 : x
  2. Step 2: Convert to fraction form
    84,919.86/127,371.96 = 28,753.52/x
  3. Step 3: Cross multiply
    84,919.86x = 127,371.96 × 28,753.52
  4. Step 4: Simplify right side
    84,919.86x = 3,662,391,562.44
  5. Step 5: Solve for x
    x = 3,662,391,562.44/84,919.86
  6. Step 6: Final answer
    x = 43,127.62

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.