Home / 62,876.37-94,316.76-20,757.45

Finding the Fourth Proportional to 62,876.37, 94,316.76 and 20,757.45

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Solution

The fourth proportional to 62,876.37, 94,316.76 and 20,757.45 is: 31,136.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,876.37 : 94,316.76 = 20,757.45 : x
  2. Step 2: Convert to fraction form
    62,876.37/94,316.76 = 20,757.45/x
  3. Step 3: Cross multiply
    62,876.37x = 94,316.76 × 20,757.45
  4. Step 4: Simplify right side
    62,876.37x = 1,957,775,429.86
  5. Step 5: Solve for x
    x = 1,957,775,429.86/62,876.37
  6. Step 6: Final answer
    x = 31,136.90

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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.