Home / 112,581.43-155,336.93-67,250.54

Finding the Fourth Proportional to 112,581.43, 155,336.93 and 67,250.54

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Solution

The fourth proportional to 112,581.43, 155,336.93 and 67,250.54 is: 92,790.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,581.43 : 155,336.93 = 67,250.54 : x
  2. Step 2: Convert to fraction form
    112,581.43/155,336.93 = 67,250.54/x
  3. Step 3: Cross multiply
    112,581.43x = 155,336.93 × 67,250.54
  4. Step 4: Simplify right side
    112,581.43x = 10,446,492,424.44
  5. Step 5: Solve for x
    x = 10,446,492,424.44/112,581.43
  6. Step 6: Final answer
    x = 92,790.55

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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.