Home / 56,435.54-77,884.54-31,285.04

Finding the Fourth Proportional to 56,435.54, 77,884.54 and 31,285.04

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Solution

The fourth proportional to 56,435.54, 77,884.54 and 31,285.04 is: 43,175.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,435.54 : 77,884.54 = 31,285.04 : x
  2. Step 2: Convert to fraction form
    56,435.54/77,884.54 = 31,285.04/x
  3. Step 3: Cross multiply
    56,435.54x = 77,884.54 × 31,285.04
  4. Step 4: Simplify right side
    56,435.54x = 2,436,620,481.65
  5. Step 5: Solve for x
    x = 2,436,620,481.65/56,435.54
  6. Step 6: Final answer
    x = 43,175.29

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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.