Home / 54,563.14-75,291.04-30,689.31

Finding the Fourth Proportional to 54,563.14, 75,291.04 and 30,689.31

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Solution

The fourth proportional to 54,563.14, 75,291.04 and 30,689.31 is: 42,347.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,563.14 : 75,291.04 = 30,689.31 : x
  2. Step 2: Convert to fraction form
    54,563.14/75,291.04 = 30,689.31/x
  3. Step 3: Cross multiply
    54,563.14x = 75,291.04 × 30,689.31
  4. Step 4: Simplify right side
    54,563.14x = 2,310,630,066.78
  5. Step 5: Solve for x
    x = 2,310,630,066.78/54,563.14
  6. Step 6: Final answer
    x = 42,347.82

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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.