Home / 56,888.73-78,505.92-31,395.33

Finding the Fourth Proportional to 56,888.73, 78,505.92 and 31,395.33

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Solution

The fourth proportional to 56,888.73, 78,505.92 and 31,395.33 is: 43,325.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,888.73 : 78,505.92 = 31,395.33 : x
  2. Step 2: Convert to fraction form
    56,888.73/78,505.92 = 31,395.33/x
  3. Step 3: Cross multiply
    56,888.73x = 78,505.92 × 31,395.33
  4. Step 4: Simplify right side
    56,888.73x = 2,464,719,265.35
  5. Step 5: Solve for x
    x = 2,464,719,265.35/56,888.73
  6. Step 6: Final answer
    x = 43,325.26

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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.