Home / 54,741.49-81,952.30-49,488.64

Finding the Fourth Proportional to 54,741.49, 81,952.30 and 49,488.64

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Solution

The fourth proportional to 54,741.49, 81,952.30 and 49,488.64 is: 74,088.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,741.49 : 81,952.30 = 49,488.64 : x
  2. Step 2: Convert to fraction form
    54,741.49/81,952.30 = 49,488.64/x
  3. Step 3: Cross multiply
    54,741.49x = 81,952.30 × 49,488.64
  4. Step 4: Simplify right side
    54,741.49x = 4,055,707,214.67
  5. Step 5: Solve for x
    x = 4,055,707,214.67/54,741.49
  6. Step 6: Final answer
    x = 74,088.37

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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.