Home / 52,358.41-78,544.91-16,820.81

Finding the Fourth Proportional to 52,358.41, 78,544.91 and 16,820.81

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Solution

The fourth proportional to 52,358.41, 78,544.91 and 16,820.81 is: 25,233.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,358.41 : 78,544.91 = 16,820.81 : x
  2. Step 2: Convert to fraction form
    52,358.41/78,544.91 = 16,820.81/x
  3. Step 3: Cross multiply
    52,358.41x = 78,544.91 × 16,820.81
  4. Step 4: Simplify right side
    52,358.41x = 1,321,188,656.90
  5. Step 5: Solve for x
    x = 1,321,188,656.90/52,358.41
  6. Step 6: Final answer
    x = 25,233.55

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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.