Home / 55,232.96-76,218.56-31,359.04

Finding the Fourth Proportional to 55,232.96, 76,218.56 and 31,359.04

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Solution

The fourth proportional to 55,232.96, 76,218.56 and 31,359.04 is: 43,273.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,232.96 : 76,218.56 = 31,359.04 : x
  2. Step 2: Convert to fraction form
    55,232.96/76,218.56 = 31,359.04/x
  3. Step 3: Cross multiply
    55,232.96x = 76,218.56 × 31,359.04
  4. Step 4: Simplify right side
    55,232.96x = 2,390,140,871.78
  5. Step 5: Solve for x
    x = 2,390,140,871.78/55,232.96
  6. Step 6: Final answer
    x = 43,273.81

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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.