Home / 82,765.48-114,109.62-60,137.32

Finding the Fourth Proportional to 82,765.48, 114,109.62 and 60,137.32

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Solution

The fourth proportional to 82,765.48, 114,109.62 and 60,137.32 is: 82,911.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,765.48 : 114,109.62 = 60,137.32 : x
  2. Step 2: Convert to fraction form
    82,765.48/114,109.62 = 60,137.32/x
  3. Step 3: Cross multiply
    82,765.48x = 114,109.62 × 60,137.32
  4. Step 4: Simplify right side
    82,765.48x = 6,862,246,733.02
  5. Step 5: Solve for x
    x = 6,862,246,733.02/82,765.48
  6. Step 6: Final answer
    x = 82,911.94

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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.