Home / 80,787.68-111,490.27-46,795.63

Finding the Fourth Proportional to 80,787.68, 111,490.27 and 46,795.63

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Solution

The fourth proportional to 80,787.68, 111,490.27 and 46,795.63 is: 64,579.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,787.68 : 111,490.27 = 46,795.63 : x
  2. Step 2: Convert to fraction form
    80,787.68/111,490.27 = 46,795.63/x
  3. Step 3: Cross multiply
    80,787.68x = 111,490.27 × 46,795.63
  4. Step 4: Simplify right side
    80,787.68x = 5,217,257,027.81
  5. Step 5: Solve for x
    x = 5,217,257,027.81/80,787.68
  6. Step 6: Final answer
    x = 64,579.86

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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.