Home / 57,163.05-78,885.90-33,289.11

Finding the Fourth Proportional to 57,163.05, 78,885.90 and 33,289.11

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Solution

The fourth proportional to 57,163.05, 78,885.90 and 33,289.11 is: 45,939.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,163.05 : 78,885.90 = 33,289.11 : x
  2. Step 2: Convert to fraction form
    57,163.05/78,885.90 = 33,289.11/x
  3. Step 3: Cross multiply
    57,163.05x = 78,885.90 × 33,289.11
  4. Step 4: Simplify right side
    57,163.05x = 2,626,041,402.55
  5. Step 5: Solve for x
    x = 2,626,041,402.55/57,163.05
  6. Step 6: Final answer
    x = 45,939.49

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1.5x scale

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.