Home / 55,841.84-83,766.86-20,781.52

Finding the Fourth Proportional to 55,841.84, 83,766.86 and 20,781.52

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Solution

The fourth proportional to 55,841.84, 83,766.86 and 20,781.52 is: 31,173.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,841.84 : 83,766.86 = 20,781.52 : x
  2. Step 2: Convert to fraction form
    55,841.84/83,766.86 = 20,781.52/x
  3. Step 3: Cross multiply
    55,841.84x = 83,766.86 × 20,781.52
  4. Step 4: Simplify right side
    55,841.84x = 1,740,802,676.43
  5. Step 5: Solve for x
    x = 1,740,802,676.43/55,841.84
  6. Step 6: Final answer
    x = 31,173.81

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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.