Home / 55,583.89-76,705.68-30,090.13

Finding the Fourth Proportional to 55,583.89, 76,705.68 and 30,090.13

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Solution

The fourth proportional to 55,583.89, 76,705.68 and 30,090.13 is: 41,524.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,583.89 : 76,705.68 = 30,090.13 : x
  2. Step 2: Convert to fraction form
    55,583.89/76,705.68 = 30,090.13/x
  3. Step 3: Cross multiply
    55,583.89x = 76,705.68 × 30,090.13
  4. Step 4: Simplify right side
    55,583.89x = 2,308,083,691.17
  5. Step 5: Solve for x
    x = 2,308,083,691.17/55,583.89
  6. Step 6: Final answer
    x = 41,524.33

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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.