Home / 82,977.48-124,354.62-45,481.32

Finding the Fourth Proportional to 82,977.48, 124,354.62 and 45,481.32

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Solution

The fourth proportional to 82,977.48, 124,354.62 and 45,481.32 is: 68,160.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,977.48 : 124,354.62 = 45,481.32 : x
  2. Step 2: Convert to fraction form
    82,977.48/124,354.62 = 45,481.32/x
  3. Step 3: Cross multiply
    82,977.48x = 124,354.62 × 45,481.32
  4. Step 4: Simplify right side
    82,977.48x = 5,655,812,265.70
  5. Step 5: Solve for x
    x = 5,655,812,265.70/82,977.48
  6. Step 6: Final answer
    x = 68,160.81

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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.