Home / 55,342.54-83,046.75-20,284.66

Finding the Fourth Proportional to 55,342.54, 83,046.75 and 20,284.66

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Solution

The fourth proportional to 55,342.54, 83,046.75 and 20,284.66 is: 30,439.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,342.54 : 83,046.75 = 20,284.66 : x
  2. Step 2: Convert to fraction form
    55,342.54/83,046.75 = 20,284.66/x
  3. Step 3: Cross multiply
    55,342.54x = 83,046.75 × 20,284.66
  4. Step 4: Simplify right side
    55,342.54x = 1,684,575,087.86
  5. Step 5: Solve for x
    x = 1,684,575,087.86/55,342.54
  6. Step 6: Final answer
    x = 30,439.06

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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.