Home / 76,787.08-115,180.68-50,608.72

Finding the Fourth Proportional to 76,787.08, 115,180.68 and 50,608.72

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Solution

The fourth proportional to 76,787.08, 115,180.68 and 50,608.72 is: 75,913.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,787.08 : 115,180.68 = 50,608.72 : x
  2. Step 2: Convert to fraction form
    76,787.08/115,180.68 = 50,608.72/x
  3. Step 3: Cross multiply
    76,787.08x = 115,180.68 × 50,608.72
  4. Step 4: Simplify right side
    76,787.08x = 5,829,146,783.53
  5. Step 5: Solve for x
    x = 5,829,146,783.53/76,787.08
  6. Step 6: Final answer
    x = 75,913.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.