Home / 67,113.57-100,664.58-31,566.54

Finding the Fourth Proportional to 67,113.57, 100,664.58 and 31,566.54

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Solution

The fourth proportional to 67,113.57, 100,664.58 and 31,566.54 is: 47,347.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,113.57 : 100,664.58 = 31,566.54 : x
  2. Step 2: Convert to fraction form
    67,113.57/100,664.58 = 31,566.54/x
  3. Step 3: Cross multiply
    67,113.57x = 100,664.58 × 31,566.54
  4. Step 4: Simplify right side
    67,113.57x = 3,177,632,491.15
  5. Step 5: Solve for x
    x = 3,177,632,491.15/67,113.57
  6. Step 6: Final answer
    x = 47,347.09

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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.