Home / 75,454.74-113,143.23-31,073.22

Finding the Fourth Proportional to 75,454.74, 113,143.23 and 31,073.22

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Solution

The fourth proportional to 75,454.74, 113,143.23 and 31,073.22 is: 46,593.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,454.74 : 113,143.23 = 31,073.22 : x
  2. Step 2: Convert to fraction form
    75,454.74/113,143.23 = 31,073.22/x
  3. Step 3: Cross multiply
    75,454.74x = 113,143.23 × 31,073.22
  4. Step 4: Simplify right side
    75,454.74x = 3,515,724,477.30
  5. Step 5: Solve for x
    x = 3,515,724,477.30/75,454.74
  6. Step 6: Final answer
    x = 46,593.82

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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.