Home / 57,111.70-85,258.79-49,640.37

Finding the Fourth Proportional to 57,111.70, 85,258.79 and 49,640.37

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Solution

The fourth proportional to 57,111.70, 85,258.79 and 49,640.37 is: 74,105.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,111.70 : 85,258.79 = 49,640.37 : x
  2. Step 2: Convert to fraction form
    57,111.70/85,258.79 = 49,640.37/x
  3. Step 3: Cross multiply
    57,111.70x = 85,258.79 × 49,640.37
  4. Step 4: Simplify right side
    57,111.70x = 4,232,277,881.35
  5. Step 5: Solve for x
    x = 4,232,277,881.35/57,111.70
  6. Step 6: Final answer
    x = 74,105.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.