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Finding the Fourth Proportional to 70,707.15, 106,095.29 and 33,270.94

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Solution

The fourth proportional to 70,707.15, 106,095.29 and 33,270.94 is: 49,922.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,707.15 : 106,095.29 = 33,270.94 : x
  2. Step 2: Convert to fraction form
    70,707.15/106,095.29 = 33,270.94/x
  3. Step 3: Cross multiply
    70,707.15x = 106,095.29 × 33,270.94
  4. Step 4: Simplify right side
    70,707.15x = 3,529,889,994.14
  5. Step 5: Solve for x
    x = 3,529,889,994.14/70,707.15
  6. Step 6: Final answer
    x = 49,922.67

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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.