Home / 54,864.98-75,718.33-30,996.03

Finding the Fourth Proportional to 54,864.98, 75,718.33 and 30,996.03

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Solution

The fourth proportional to 54,864.98, 75,718.33 and 30,996.03 is: 42,777.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,864.98 : 75,718.33 = 30,996.03 : x
  2. Step 2: Convert to fraction form
    54,864.98/75,718.33 = 30,996.03/x
  3. Step 3: Cross multiply
    54,864.98x = 75,718.33 × 30,996.03
  4. Step 4: Simplify right side
    54,864.98x = 2,346,967,550.74
  5. Step 5: Solve for x
    x = 2,346,967,550.74/54,864.98
  6. Step 6: Final answer
    x = 42,777.16

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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.