Home / 54,356.48-75,011.04-31,708.64

Finding the Fourth Proportional to 54,356.48, 75,011.04 and 31,708.64

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Solution

The fourth proportional to 54,356.48, 75,011.04 and 31,708.64 is: 43,757.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,356.48 : 75,011.04 = 31,708.64 : x
  2. Step 2: Convert to fraction form
    54,356.48/75,011.04 = 31,708.64/x
  3. Step 3: Cross multiply
    54,356.48x = 75,011.04 × 31,708.64
  4. Step 4: Simplify right side
    54,356.48x = 2,378,498,063.39
  5. Step 5: Solve for x
    x = 2,378,498,063.39/54,356.48
  6. Step 6: Final answer
    x = 43,757.40

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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.