Home / 82,738.20-124,113.54-25,804.92

Finding the Fourth Proportional to 82,738.20, 124,113.54 and 25,804.92

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Solution

The fourth proportional to 82,738.20, 124,113.54 and 25,804.92 is: 38,709.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,738.20 : 124,113.54 = 25,804.92 : x
  2. Step 2: Convert to fraction form
    82,738.20/124,113.54 = 25,804.92/x
  3. Step 3: Cross multiply
    82,738.20x = 124,113.54 × 25,804.92
  4. Step 4: Simplify right side
    82,738.20x = 3,202,739,970.62
  5. Step 5: Solve for x
    x = 3,202,739,970.62/82,738.20
  6. Step 6: Final answer
    x = 38,709.33

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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.