Home / 84,629.52-116,787.84-48,819.12

Finding the Fourth Proportional to 84,629.52, 116,787.84 and 48,819.12

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Solution

The fourth proportional to 84,629.52, 116,787.84 and 48,819.12 is: 67,369.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,629.52 : 116,787.84 = 48,819.12 : x
  2. Step 2: Convert to fraction form
    84,629.52/116,787.84 = 48,819.12/x
  3. Step 3: Cross multiply
    84,629.52x = 116,787.84 × 48,819.12
  4. Step 4: Simplify right side
    84,629.52x = 5,701,479,575.50
  5. Step 5: Solve for x
    x = 5,701,479,575.50/84,629.52
  6. Step 6: Final answer
    x = 67,369.87

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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.