Home / 57,257.69-85,889.23-47,243.86

Finding the Fourth Proportional to 57,257.69, 85,889.23 and 47,243.86

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Solution

The fourth proportional to 57,257.69, 85,889.23 and 47,243.86 is: 70,868.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,257.69 : 85,889.23 = 47,243.86 : x
  2. Step 2: Convert to fraction form
    57,257.69/85,889.23 = 47,243.86/x
  3. Step 3: Cross multiply
    57,257.69x = 85,889.23 × 47,243.86
  4. Step 4: Simplify right side
    57,257.69x = 4,057,738,424.80
  5. Step 5: Solve for x
    x = 4,057,738,424.80/57,257.69
  6. Step 6: Final answer
    x = 70,868.01

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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.