Home / 82,356.48-123,498-26,186.04

Finding the Fourth Proportional to 82,356.48, 123,498 and 26,186.04

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Solution

The fourth proportional to 82,356.48, 123,498 and 26,186.04 is: 39,267.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,356.48 : 123,498 = 26,186.04 : x
  2. Step 2: Convert to fraction form
    82,356.48/123,498 = 26,186.04/x
  3. Step 3: Cross multiply
    82,356.48x = 123,498 × 26,186.04
  4. Step 4: Simplify right side
    82,356.48x = 3,233,923,567.92
  5. Step 5: Solve for x
    x = 3,233,923,567.92/82,356.48
  6. Step 6: Final answer
    x = 39,267.38

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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.