Home / 82,392.78-123,587.41-26,236.77

Finding the Fourth Proportional to 82,392.78, 123,587.41 and 26,236.77

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Solution

The fourth proportional to 82,392.78, 123,587.41 and 26,236.77 is: 39,354.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,392.78 : 123,587.41 = 26,236.77 : x
  2. Step 2: Convert to fraction form
    82,392.78/123,587.41 = 26,236.77/x
  3. Step 3: Cross multiply
    82,392.78x = 123,587.41 × 26,236.77
  4. Step 4: Simplify right side
    82,392.78x = 3,242,534,451.07
  5. Step 5: Solve for x
    x = 3,242,534,451.07/82,392.78
  6. Step 6: Final answer
    x = 39,354.59

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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.