Home / 57,112.20-78,863.22-35,898.30

Finding the Fourth Proportional to 57,112.20, 78,863.22 and 35,898.30

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Solution

The fourth proportional to 57,112.20, 78,863.22 and 35,898.30 is: 49,570.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,112.20 : 78,863.22 = 35,898.30 : x
  2. Step 2: Convert to fraction form
    57,112.20/78,863.22 = 35,898.30/x
  3. Step 3: Cross multiply
    57,112.20x = 78,863.22 × 35,898.30
  4. Step 4: Simplify right side
    57,112.20x = 2,831,055,530.53
  5. Step 5: Solve for x
    x = 2,831,055,530.53/57,112.20
  6. Step 6: Final answer
    x = 49,570.07

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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.