Home / 93,738.28-129,360.92-51,296.80

Finding the Fourth Proportional to 93,738.28, 129,360.92 and 51,296.80

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Solution

The fourth proportional to 93,738.28, 129,360.92 and 51,296.80 is: 70,790.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,738.28 : 129,360.92 = 51,296.80 : x
  2. Step 2: Convert to fraction form
    93,738.28/129,360.92 = 51,296.80/x
  3. Step 3: Cross multiply
    93,738.28x = 129,360.92 × 51,296.80
  4. Step 4: Simplify right side
    93,738.28x = 6,635,801,241.06
  5. Step 5: Solve for x
    x = 6,635,801,241.06/93,738.28
  6. Step 6: Final answer
    x = 70,790.73

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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.