Home / 112,056.75-154,638.32-67,344.75

Finding the Fourth Proportional to 112,056.75, 154,638.32 and 67,344.75

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Solution

The fourth proportional to 112,056.75, 154,638.32 and 67,344.75 is: 92,935.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,056.75 : 154,638.32 = 67,344.75 : x
  2. Step 2: Convert to fraction form
    112,056.75/154,638.32 = 67,344.75/x
  3. Step 3: Cross multiply
    112,056.75x = 154,638.32 × 67,344.75
  4. Step 4: Simplify right side
    112,056.75x = 10,414,078,664.10
  5. Step 5: Solve for x
    x = 10,414,078,664.10/112,056.75
  6. Step 6: Final answer
    x = 92,935.76

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1.5x scale

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.