Home / 82,650.16-124,010.28-45,166.44

Finding the Fourth Proportional to 82,650.16, 124,010.28 and 45,166.44

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Solution

The fourth proportional to 82,650.16, 124,010.28 and 45,166.44 is: 67,768.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,650.16 : 124,010.28 = 45,166.44 : x
  2. Step 2: Convert to fraction form
    82,650.16/124,010.28 = 45,166.44/x
  3. Step 3: Cross multiply
    82,650.16x = 124,010.28 × 45,166.44
  4. Step 4: Simplify right side
    82,650.16x = 5,601,102,871.00
  5. Step 5: Solve for x
    x = 5,601,102,871.00/82,650.16
  6. Step 6: Final answer
    x = 67,768.81

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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.