Home / 57,050.43-78,746.55-36,906.80

Finding the Fourth Proportional to 57,050.43, 78,746.55 and 36,906.80

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Solution

The fourth proportional to 57,050.43, 78,746.55 and 36,906.80 is: 50,942.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,050.43 : 78,746.55 = 36,906.80 : x
  2. Step 2: Convert to fraction form
    57,050.43/78,746.55 = 36,906.80/x
  3. Step 3: Cross multiply
    57,050.43x = 78,746.55 × 36,906.80
  4. Step 4: Simplify right side
    57,050.43x = 2,906,283,171.54
  5. Step 5: Solve for x
    x = 2,906,283,171.54/57,050.43
  6. Step 6: Final answer
    x = 50,942.35

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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.