Home / 48,131.92-66,424.16-26,911.20

Finding the Fourth Proportional to 48,131.92, 66,424.16 and 26,911.20

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Solution

The fourth proportional to 48,131.92, 66,424.16 and 26,911.20 is: 37,138.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,131.92 : 66,424.16 = 26,911.20 : x
  2. Step 2: Convert to fraction form
    48,131.92/66,424.16 = 26,911.20/x
  3. Step 3: Cross multiply
    48,131.92x = 66,424.16 × 26,911.20
  4. Step 4: Simplify right side
    48,131.92x = 1,787,553,854.59
  5. Step 5: Solve for x
    x = 1,787,553,854.59/48,131.92
  6. Step 6: Final answer
    x = 37,138.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.