Home / 103,359.03-155,039.15-36,801.73

Finding the Fourth Proportional to 103,359.03, 155,039.15 and 36,801.73

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Solution

The fourth proportional to 103,359.03, 155,039.15 and 36,801.73 is: 55,202.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,359.03 : 155,039.15 = 36,801.73 : x
  2. Step 2: Convert to fraction form
    103,359.03/155,039.15 = 36,801.73/x
  3. Step 3: Cross multiply
    103,359.03x = 155,039.15 × 36,801.73
  4. Step 4: Simplify right side
    103,359.03x = 5,705,708,937.73
  5. Step 5: Solve for x
    x = 5,705,708,937.73/103,359.03
  6. Step 6: Final answer
    x = 55,202.81

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1.5x scale

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.