Home / 56,794.62-78,377.10-31,301.91

Finding the Fourth Proportional to 56,794.62, 78,377.10 and 31,301.91

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Solution

The fourth proportional to 56,794.62, 78,377.10 and 31,301.91 is: 43,196.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,794.62 : 78,377.10 = 31,301.91 : x
  2. Step 2: Convert to fraction form
    56,794.62/78,377.10 = 31,301.91/x
  3. Step 3: Cross multiply
    56,794.62x = 78,377.10 × 31,301.91
  4. Step 4: Simplify right side
    56,794.62x = 2,453,352,930.26
  5. Step 5: Solve for x
    x = 2,453,352,930.26/56,794.62
  6. Step 6: Final answer
    x = 43,196.92

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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.