Home / 67,078.10-100,616.88-22,709.54

Finding the Fourth Proportional to 67,078.10, 100,616.88 and 22,709.54

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Solution

The fourth proportional to 67,078.10, 100,616.88 and 22,709.54 is: 34,064.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,078.10 : 100,616.88 = 22,709.54 : x
  2. Step 2: Convert to fraction form
    67,078.10/100,616.88 = 22,709.54/x
  3. Step 3: Cross multiply
    67,078.10x = 100,616.88 × 22,709.54
  4. Step 4: Simplify right side
    67,078.10x = 2,284,963,061.04
  5. Step 5: Solve for x
    x = 2,284,963,061.04/67,078.10
  6. Step 6: Final answer
    x = 34,064.22

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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.