Home / 57,153.21-78,871.31-32,002.71

Finding the Fourth Proportional to 57,153.21, 78,871.31 and 32,002.71

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Solution

The fourth proportional to 57,153.21, 78,871.31 and 32,002.71 is: 44,163.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,153.21 : 78,871.31 = 32,002.71 : x
  2. Step 2: Convert to fraction form
    57,153.21/78,871.31 = 32,002.71/x
  3. Step 3: Cross multiply
    57,153.21x = 78,871.31 × 32,002.71
  4. Step 4: Simplify right side
    57,153.21x = 2,524,095,501.24
  5. Step 5: Solve for x
    x = 2,524,095,501.24/57,153.21
  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.