Home / 57,040.50-85,142.96-50,307.03

Finding the Fourth Proportional to 57,040.50, 85,142.96 and 50,307.03

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Solution

The fourth proportional to 57,040.50, 85,142.96 and 50,307.03 is: 75,092.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,040.50 : 85,142.96 = 50,307.03 : x
  2. Step 2: Convert to fraction form
    57,040.50/85,142.96 = 50,307.03/x
  3. Step 3: Cross multiply
    57,040.50x = 85,142.96 × 50,307.03
  4. Step 4: Simplify right side
    57,040.50x = 4,283,289,191.47
  5. Step 5: Solve for x
    x = 4,283,289,191.47/57,040.50
  6. Step 6: Final answer
    x = 75,092.07

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1.5x scale

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.