Home / 67,289.04-100,818.78-47,529.54

Finding the Fourth Proportional to 67,289.04, 100,818.78 and 47,529.54

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Solution

The fourth proportional to 67,289.04, 100,818.78 and 47,529.54 is: 71,213.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,289.04 : 100,818.78 = 47,529.54 : x
  2. Step 2: Convert to fraction form
    67,289.04/100,818.78 = 47,529.54/x
  3. Step 3: Cross multiply
    67,289.04x = 100,818.78 × 47,529.54
  4. Step 4: Simplify right side
    67,289.04x = 4,791,870,236.76
  5. Step 5: Solve for x
    x = 4,791,870,236.76/67,289.04
  6. Step 6: Final answer
    x = 71,213.24

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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.