Home / 57,153.20-78,871.32-32,002.70

Finding the Fourth Proportional to 57,153.20, 78,871.32 and 32,002.70

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Solution

The fourth proportional to 57,153.20, 78,871.32 and 32,002.70 is: 44,163.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,153.20 : 78,871.32 = 32,002.70 : x
  2. Step 2: Convert to fraction form
    57,153.20/78,871.32 = 32,002.70/x
  3. Step 3: Cross multiply
    57,153.20x = 78,871.32 × 32,002.70
  4. Step 4: Simplify right side
    57,153.20x = 2,524,094,798.21
  5. Step 5: Solve for x
    x = 2,524,094,798.21/57,153.20
  6. Step 6: Final answer
    x = 44,163.67

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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.