Home / 55,326.64-76,351.80-30,177.04

Finding the Fourth Proportional to 55,326.64, 76,351.80 and 30,177.04

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Solution

The fourth proportional to 55,326.64, 76,351.80 and 30,177.04 is: 41,644.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,326.64 : 76,351.80 = 30,177.04 : x
  2. Step 2: Convert to fraction form
    55,326.64/76,351.80 = 30,177.04/x
  3. Step 3: Cross multiply
    55,326.64x = 76,351.80 × 30,177.04
  4. Step 4: Simplify right side
    55,326.64x = 2,304,071,322.67
  5. Step 5: Solve for x
    x = 2,304,071,322.67/55,326.64
  6. Step 6: Final answer
    x = 41,644.88

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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.