Home / 82,691.24-114,122.37-48,710.42

Finding the Fourth Proportional to 82,691.24, 114,122.37 and 48,710.42

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Solution

The fourth proportional to 82,691.24, 114,122.37 and 48,710.42 is: 67,225.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,691.24 : 114,122.37 = 48,710.42 : x
  2. Step 2: Convert to fraction form
    82,691.24/114,122.37 = 48,710.42/x
  3. Step 3: Cross multiply
    82,691.24x = 114,122.37 × 48,710.42
  4. Step 4: Simplify right side
    82,691.24x = 5,558,948,003.48
  5. Step 5: Solve for x
    x = 5,558,948,003.48/82,691.24
  6. Step 6: Final answer
    x = 67,225.36

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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.