Home / 47,764.50-71,142.20-45,266.46

Finding the Fourth Proportional to 47,764.50, 71,142.20 and 45,266.46

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Solution

The fourth proportional to 47,764.50, 71,142.20 and 45,266.46 is: 67,421.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,764.50 : 71,142.20 = 45,266.46 : x
  2. Step 2: Convert to fraction form
    47,764.50/71,142.20 = 45,266.46/x
  3. Step 3: Cross multiply
    47,764.50x = 71,142.20 × 45,266.46
  4. Step 4: Simplify right side
    47,764.50x = 3,220,355,324.28
  5. Step 5: Solve for x
    x = 3,220,355,324.28/47,764.50
  6. Step 6: Final answer
    x = 67,421.52

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.