Home / 103,825.40-155,758.90-37,270.73

Finding the Fourth Proportional to 103,825.40, 155,758.90 and 37,270.73

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Solution

The fourth proportional to 103,825.40, 155,758.90 and 37,270.73 is: 55,913.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,825.40 : 155,758.90 = 37,270.73 : x
  2. Step 2: Convert to fraction form
    103,825.40/155,758.90 = 37,270.73/x
  3. Step 3: Cross multiply
    103,825.40x = 155,758.90 × 37,270.73
  4. Step 4: Simplify right side
    103,825.40x = 5,805,248,273.10
  5. Step 5: Solve for x
    x = 5,805,248,273.10/103,825.40
  6. Step 6: Final answer
    x = 55,913.57

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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.