Home / 56,814.62-78,358.16-49,993.91

Finding the Fourth Proportional to 56,814.62, 78,358.16 and 49,993.91

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Solution

The fourth proportional to 56,814.62, 78,358.16 and 49,993.91 is: 68,951.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,814.62 : 78,358.16 = 49,993.91 : x
  2. Step 2: Convert to fraction form
    56,814.62/78,358.16 = 49,993.91/x
  3. Step 3: Cross multiply
    56,814.62x = 78,358.16 × 49,993.91
  4. Step 4: Simplify right side
    56,814.62x = 3,917,430,685.23
  5. Step 5: Solve for x
    x = 3,917,430,685.23/56,814.62
  6. Step 6: Final answer
    x = 68,951.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.