Home / 81,255.57-112,109.39-46,793.92

Finding the Fourth Proportional to 81,255.57, 112,109.39 and 46,793.92

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Solution

The fourth proportional to 81,255.57, 112,109.39 and 46,793.92 is: 64,562.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,255.57 : 112,109.39 = 46,793.92 : x
  2. Step 2: Convert to fraction form
    81,255.57/112,109.39 = 46,793.92/x
  3. Step 3: Cross multiply
    81,255.57x = 112,109.39 × 46,793.92
  4. Step 4: Simplify right side
    81,255.57x = 5,246,037,826.91
  5. Step 5: Solve for x
    x = 5,246,037,826.91/81,255.57
  6. Step 6: Final answer
    x = 64,562.19

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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.