Home / 89,011.97-122,836.68-48,725.76

Finding the Fourth Proportional to 89,011.97, 122,836.68 and 48,725.76

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Solution

The fourth proportional to 89,011.97, 122,836.68 and 48,725.76 is: 67,241.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,011.97 : 122,836.68 = 48,725.76 : x
  2. Step 2: Convert to fraction form
    89,011.97/122,836.68 = 48,725.76/x
  3. Step 3: Cross multiply
    89,011.97x = 122,836.68 × 48,725.76
  4. Step 4: Simplify right side
    89,011.97x = 5,985,310,406.16
  5. Step 5: Solve for x
    x = 5,985,310,406.16/89,011.97
  6. Step 6: Final answer
    x = 67,241.63

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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.