Home / 82,033.16-123,078.29-25,881.93

Finding the Fourth Proportional to 82,033.16, 123,078.29 and 25,881.93

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Solution

The fourth proportional to 82,033.16, 123,078.29 and 25,881.93 is: 38,831.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,033.16 : 123,078.29 = 25,881.93 : x
  2. Step 2: Convert to fraction form
    82,033.16/123,078.29 = 25,881.93/x
  3. Step 3: Cross multiply
    82,033.16x = 123,078.29 × 25,881.93
  4. Step 4: Simplify right side
    82,033.16x = 3,185,503,556.89
  5. Step 5: Solve for x
    x = 3,185,503,556.89/82,033.16
  6. Step 6: Final answer
    x = 38,831.90

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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.