Home / 57,912.22-79,931.37-35,258.50

Finding the Fourth Proportional to 57,912.22, 79,931.37 and 35,258.50

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Solution

The fourth proportional to 57,912.22, 79,931.37 and 35,258.50 is: 48,664.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,912.22 : 79,931.37 = 35,258.50 : x
  2. Step 2: Convert to fraction form
    57,912.22/79,931.37 = 35,258.50/x
  3. Step 3: Cross multiply
    57,912.22x = 79,931.37 × 35,258.50
  4. Step 4: Simplify right side
    57,912.22x = 2,818,260,209.15
  5. Step 5: Solve for x
    x = 2,818,260,209.15/57,912.22
  6. Step 6: Final answer
    x = 48,664.34

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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.