Home / 55,704.51-76,921.65-37,865.88

Finding the Fourth Proportional to 55,704.51, 76,921.65 and 37,865.88

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Solution

The fourth proportional to 55,704.51, 76,921.65 and 37,865.88 is: 52,288.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,704.51 : 76,921.65 = 37,865.88 : x
  2. Step 2: Convert to fraction form
    55,704.51/76,921.65 = 37,865.88/x
  3. Step 3: Cross multiply
    55,704.51x = 76,921.65 × 37,865.88
  4. Step 4: Simplify right side
    55,704.51x = 2,912,705,968.30
  5. Step 5: Solve for x
    x = 2,912,705,968.30/55,704.51
  6. Step 6: Final answer
    x = 52,288.51

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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.