Home / 54,389.74-81,626.20-26,326.30

Finding the Fourth Proportional to 54,389.74, 81,626.20 and 26,326.30

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Solution

The fourth proportional to 54,389.74, 81,626.20 and 26,326.30 is: 39,509.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,389.74 : 81,626.20 = 26,326.30 : x
  2. Step 2: Convert to fraction form
    54,389.74/81,626.20 = 26,326.30/x
  3. Step 3: Cross multiply
    54,389.74x = 81,626.20 × 26,326.30
  4. Step 4: Simplify right side
    54,389.74x = 2,148,915,829.06
  5. Step 5: Solve for x
    x = 2,148,915,829.06/54,389.74
  6. Step 6: Final answer
    x = 39,509.58

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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.