Home / 55,062.31-75,986.04-29,911.81

Finding the Fourth Proportional to 55,062.31, 75,986.04 and 29,911.81

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Solution

The fourth proportional to 55,062.31, 75,986.04 and 29,911.81 is: 41,278.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,062.31 : 75,986.04 = 29,911.81 : x
  2. Step 2: Convert to fraction form
    55,062.31/75,986.04 = 29,911.81/x
  3. Step 3: Cross multiply
    55,062.31x = 75,986.04 × 29,911.81
  4. Step 4: Simplify right side
    55,062.31x = 2,272,879,991.13
  5. Step 5: Solve for x
    x = 2,272,879,991.13/55,062.31
  6. Step 6: Final answer
    x = 41,278.33

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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.