Home / 70,447.21-105,705.54-33,000.81

Finding the Fourth Proportional to 70,447.21, 105,705.54 and 33,000.81

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Solution

The fourth proportional to 70,447.21, 105,705.54 and 33,000.81 is: 49,517.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,447.21 : 105,705.54 = 33,000.81 : x
  2. Step 2: Convert to fraction form
    70,447.21/105,705.54 = 33,000.81/x
  3. Step 3: Cross multiply
    70,447.21x = 105,705.54 × 33,000.81
  4. Step 4: Simplify right side
    70,447.21x = 3,488,368,441.49
  5. Step 5: Solve for x
    x = 3,488,368,441.49/70,447.21
  6. Step 6: Final answer
    x = 49,517.48

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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.