Home / 73,143.81-109,650.03-26,385.75

Finding the Fourth Proportional to 73,143.81, 109,650.03 and 26,385.75

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Solution

The fourth proportional to 73,143.81, 109,650.03 and 26,385.75 is: 39,554.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,143.81 : 109,650.03 = 26,385.75 : x
  2. Step 2: Convert to fraction form
    73,143.81/109,650.03 = 26,385.75/x
  3. Step 3: Cross multiply
    73,143.81x = 109,650.03 × 26,385.75
  4. Step 4: Simplify right side
    73,143.81x = 2,893,198,279.07
  5. Step 5: Solve for x
    x = 2,893,198,279.07/73,143.81
  6. Step 6: Final answer
    x = 39,554.93

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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.