Home / 55,001.81-75,902.51-29,851.31

Finding the Fourth Proportional to 55,001.81, 75,902.51 and 29,851.31

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Solution

The fourth proportional to 55,001.81, 75,902.51 and 29,851.31 is: 41,194.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,001.81 : 75,902.51 = 29,851.31 : x
  2. Step 2: Convert to fraction form
    55,001.81/75,902.51 = 29,851.31/x
  3. Step 3: Cross multiply
    55,001.81x = 75,902.51 × 29,851.31
  4. Step 4: Simplify right side
    55,001.81x = 2,265,789,620.17
  5. Step 5: Solve for x
    x = 2,265,789,620.17/55,001.81
  6. Step 6: Final answer
    x = 41,194.82

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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.