Home / 82,942.84-124,438.54-26,781.88

Finding the Fourth Proportional to 82,942.84, 124,438.54 and 26,781.88

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Solution

The fourth proportional to 82,942.84, 124,438.54 and 26,781.88 is: 40,180.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,942.84 : 124,438.54 = 26,781.88 : x
  2. Step 2: Convert to fraction form
    82,942.84/124,438.54 = 26,781.88/x
  3. Step 3: Cross multiply
    82,942.84x = 124,438.54 × 26,781.88
  4. Step 4: Simplify right side
    82,942.84x = 3,332,698,045.66
  5. Step 5: Solve for x
    x = 3,332,698,045.66/82,942.84
  6. Step 6: Final answer
    x = 40,180.66

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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.