Home / 52,401.07-78,360.19-38,917.71

Finding the Fourth Proportional to 52,401.07, 78,360.19 and 38,917.71

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Solution

The fourth proportional to 52,401.07, 78,360.19 and 38,917.71 is: 58,197.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,401.07 : 78,360.19 = 38,917.71 : x
  2. Step 2: Convert to fraction form
    52,401.07/78,360.19 = 38,917.71/x
  3. Step 3: Cross multiply
    52,401.07x = 78,360.19 × 38,917.71
  4. Step 4: Simplify right side
    52,401.07x = 3,049,599,052.67
  5. Step 5: Solve for x
    x = 3,049,599,052.67/52,401.07
  6. Step 6: Final answer
    x = 58,197.27

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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.