Home / 62,740.72-94,091.11-20,611.02

Finding the Fourth Proportional to 62,740.72, 94,091.11 and 20,611.02

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Solution

The fourth proportional to 62,740.72, 94,091.11 and 20,611.02 is: 30,909.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,740.72 : 94,091.11 = 20,611.02 : x
  2. Step 2: Convert to fraction form
    62,740.72/94,091.11 = 20,611.02/x
  3. Step 3: Cross multiply
    62,740.72x = 94,091.11 × 20,611.02
  4. Step 4: Simplify right side
    62,740.72x = 1,939,313,750.03
  5. Step 5: Solve for x
    x = 1,939,313,750.03/62,740.72
  6. Step 6: Final answer
    x = 30,909.97

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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.