Home / 55,425.15-83,165.54-25,845.30

Finding the Fourth Proportional to 55,425.15, 83,165.54 and 25,845.30

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Solution

The fourth proportional to 55,425.15, 83,165.54 and 25,845.30 is: 38,780.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,425.15 : 83,165.54 = 25,845.30 : x
  2. Step 2: Convert to fraction form
    55,425.15/83,165.54 = 25,845.30/x
  3. Step 3: Cross multiply
    55,425.15x = 83,165.54 × 25,845.30
  4. Step 4: Simplify right side
    55,425.15x = 2,149,438,201.74
  5. Step 5: Solve for x
    x = 2,149,438,201.74/55,425.15
  6. Step 6: Final answer
    x = 38,780.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.