Home / 52,120.48-78,206.64-41,601.28

Finding the Fourth Proportional to 52,120.48, 78,206.64 and 41,601.28

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Solution

The fourth proportional to 52,120.48, 78,206.64 and 41,601.28 is: 62,422.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,120.48 : 78,206.64 = 41,601.28 : x
  2. Step 2: Convert to fraction form
    52,120.48/78,206.64 = 41,601.28/x
  3. Step 3: Cross multiply
    52,120.48x = 78,206.64 × 41,601.28
  4. Step 4: Simplify right side
    52,120.48x = 3,253,496,328.50
  5. Step 5: Solve for x
    x = 3,253,496,328.50/52,120.48
  6. Step 6: Final answer
    x = 62,422.61

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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.