Home / 81,336.53-112,228.46-51,104.34

Finding the Fourth Proportional to 81,336.53, 112,228.46 and 51,104.34

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Solution

The fourth proportional to 81,336.53, 112,228.46 and 51,104.34 is: 70,513.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,336.53 : 112,228.46 = 51,104.34 : x
  2. Step 2: Convert to fraction form
    81,336.53/112,228.46 = 51,104.34/x
  3. Step 3: Cross multiply
    81,336.53x = 112,228.46 × 51,104.34
  4. Step 4: Simplify right side
    81,336.53x = 5,735,361,377.52
  5. Step 5: Solve for x
    x = 5,735,361,377.52/81,336.53
  6. Step 6: Final answer
    x = 70,513.97

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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.