Home / 103,537.85-155,273.49-33,400.76

Finding the Fourth Proportional to 103,537.85, 155,273.49 and 33,400.76

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Solution

The fourth proportional to 103,537.85, 155,273.49 and 33,400.76 is: 50,090.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,537.85 : 155,273.49 = 33,400.76 : x
  2. Step 2: Convert to fraction form
    103,537.85/155,273.49 = 33,400.76/x
  3. Step 3: Cross multiply
    103,537.85x = 155,273.49 × 33,400.76
  4. Step 4: Simplify right side
    103,537.85x = 5,186,251,797.48
  5. Step 5: Solve for x
    x = 5,186,251,797.48/103,537.85
  6. Step 6: Final answer
    x = 50,090.40

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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.