Home / 73,129.46-109,703.22-25,733.38

Finding the Fourth Proportional to 73,129.46, 109,703.22 and 25,733.38

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Solution

The fourth proportional to 73,129.46, 109,703.22 and 25,733.38 is: 38,603.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,129.46 : 109,703.22 = 25,733.38 : x
  2. Step 2: Convert to fraction form
    73,129.46/109,703.22 = 25,733.38/x
  3. Step 3: Cross multiply
    73,129.46x = 109,703.22 × 25,733.38
  4. Step 4: Simplify right side
    73,129.46x = 2,823,034,647.48
  5. Step 5: Solve for x
    x = 2,823,034,647.48/73,129.46
  6. Step 6: Final answer
    x = 38,603.25

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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.