Home / 75,563.29-113,345.13-36,111.43

Finding the Fourth Proportional to 75,563.29, 113,345.13 and 36,111.43

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Solution

The fourth proportional to 75,563.29, 113,345.13 and 36,111.43 is: 54,167.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,563.29 : 113,345.13 = 36,111.43 : x
  2. Step 2: Convert to fraction form
    75,563.29/113,345.13 = 36,111.43/x
  3. Step 3: Cross multiply
    75,563.29x = 113,345.13 × 36,111.43
  4. Step 4: Simplify right side
    75,563.29x = 4,093,054,727.84
  5. Step 5: Solve for x
    x = 4,093,054,727.84/75,563.29
  6. Step 6: Final answer
    x = 54,167.24

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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.