Home / 57,112.45-78,863.57-35,898.55

Finding the Fourth Proportional to 57,112.45, 78,863.57 and 35,898.55

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Solution

The fourth proportional to 57,112.45, 78,863.57 and 35,898.55 is: 49,570.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,112.45 : 78,863.57 = 35,898.55 : x
  2. Step 2: Convert to fraction form
    57,112.45/78,863.57 = 35,898.55/x
  3. Step 3: Cross multiply
    57,112.45x = 78,863.57 × 35,898.55
  4. Step 4: Simplify right side
    57,112.45x = 2,831,087,631.33
  5. Step 5: Solve for x
    x = 2,831,087,631.33/57,112.45
  6. Step 6: Final answer
    x = 49,570.41

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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.