Home / 55,553.51-76,663.28-30,059.31

Finding the Fourth Proportional to 55,553.51, 76,663.28 and 30,059.31

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Solution

The fourth proportional to 55,553.51, 76,663.28 and 30,059.31 is: 41,481.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,553.51 : 76,663.28 = 30,059.31 : x
  2. Step 2: Convert to fraction form
    55,553.51/76,663.28 = 30,059.31/x
  3. Step 3: Cross multiply
    55,553.51x = 76,663.28 × 30,059.31
  4. Step 4: Simplify right side
    55,553.51x = 2,304,445,661.77
  5. Step 5: Solve for x
    x = 2,304,445,661.77/55,553.51
  6. Step 6: Final answer
    x = 41,481.55

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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.