Home / 51,011.76-70,410.18-33,105.78

Finding the Fourth Proportional to 51,011.76, 70,410.18 and 33,105.78

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Solution

The fourth proportional to 51,011.76, 70,410.18 and 33,105.78 is: 45,695.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,011.76 : 70,410.18 = 33,105.78 : x
  2. Step 2: Convert to fraction form
    51,011.76/70,410.18 = 33,105.78/x
  3. Step 3: Cross multiply
    51,011.76x = 70,410.18 × 33,105.78
  4. Step 4: Simplify right side
    51,011.76x = 2,330,983,928.84
  5. Step 5: Solve for x
    x = 2,330,983,928.84/51,011.76
  6. Step 6: Final answer
    x = 45,695.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.