Home / 86,922.15-119,942.64-48,676.38

Finding the Fourth Proportional to 86,922.15, 119,942.64 and 48,676.38

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Solution

The fourth proportional to 86,922.15, 119,942.64 and 48,676.38 is: 67,167.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,922.15 : 119,942.64 = 48,676.38 : x
  2. Step 2: Convert to fraction form
    86,922.15/119,942.64 = 48,676.38/x
  3. Step 3: Cross multiply
    86,922.15x = 119,942.64 × 48,676.38
  4. Step 4: Simplify right side
    86,922.15x = 5,838,373,522.84
  5. Step 5: Solve for x
    x = 5,838,373,522.84/86,922.15
  6. Step 6: Final answer
    x = 67,167.85

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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.