Home / 103,429.40-155,144.10-36,944.60

Finding the Fourth Proportional to 103,429.40, 155,144.10 and 36,944.60

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Solution

The fourth proportional to 103,429.40, 155,144.10 and 36,944.60 is: 55,416.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,429.40 : 155,144.10 = 36,944.60 : x
  2. Step 2: Convert to fraction form
    103,429.40/155,144.10 = 36,944.60/x
  3. Step 3: Cross multiply
    103,429.40x = 155,144.10 × 36,944.60
  4. Step 4: Simplify right side
    103,429.40x = 5,731,736,716.86
  5. Step 5: Solve for x
    x = 5,731,736,716.86/103,429.40
  6. Step 6: Final answer
    x = 55,416.90

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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.