Home / 82,930.16-114,515.16-71,110.64

Finding the Fourth Proportional to 82,930.16, 114,515.16 and 71,110.64

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Solution

The fourth proportional to 82,930.16, 114,515.16 and 71,110.64 is: 98,194.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,930.16 : 114,515.16 = 71,110.64 : x
  2. Step 2: Convert to fraction form
    82,930.16/114,515.16 = 71,110.64/x
  3. Step 3: Cross multiply
    82,930.16x = 114,515.16 × 71,110.64
  4. Step 4: Simplify right side
    82,930.16x = 8,143,246,317.30
  5. Step 5: Solve for x
    x = 8,143,246,317.30/82,930.16
  6. Step 6: Final answer
    x = 98,194.03

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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.