Home / 52,401.61-78,578.34-16,856.38

Finding the Fourth Proportional to 52,401.61, 78,578.34 and 16,856.38

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Solution

The fourth proportional to 52,401.61, 78,578.34 and 16,856.38 is: 25,276.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,401.61 : 78,578.34 = 16,856.38 : x
  2. Step 2: Convert to fraction form
    52,401.61/78,578.34 = 16,856.38/x
  3. Step 3: Cross multiply
    52,401.61x = 78,578.34 × 16,856.38
  4. Step 4: Simplify right side
    52,401.61x = 1,324,546,358.81
  5. Step 5: Solve for x
    x = 1,324,546,358.81/52,401.61
  6. Step 6: Final answer
    x = 25,276.83

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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.