Home / 57,901.20-86,916.60-44,811.60

Finding the Fourth Proportional to 57,901.20, 86,916.60 and 44,811.60

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Solution

The fourth proportional to 57,901.20, 86,916.60 and 44,811.60 is: 67,267.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,901.20 : 86,916.60 = 44,811.60 : x
  2. Step 2: Convert to fraction form
    57,901.20/86,916.60 = 44,811.60/x
  3. Step 3: Cross multiply
    57,901.20x = 86,916.60 × 44,811.60
  4. Step 4: Simplify right side
    57,901.20x = 3,894,871,912.56
  5. Step 5: Solve for x
    x = 3,894,871,912.56/57,901.20
  6. Step 6: Final answer
    x = 67,267.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.