Home / 47,119.50-70,675.10-28,273.02

Finding the Fourth Proportional to 47,119.50, 70,675.10 and 28,273.02

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Solution

The fourth proportional to 47,119.50, 70,675.10 and 28,273.02 is: 42,407.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,119.50 : 70,675.10 = 28,273.02 : x
  2. Step 2: Convert to fraction form
    47,119.50/70,675.10 = 28,273.02/x
  3. Step 3: Cross multiply
    47,119.50x = 70,675.10 × 28,273.02
  4. Step 4: Simplify right side
    47,119.50x = 1,998,198,515.80
  5. Step 5: Solve for x
    x = 1,998,198,515.80/47,119.50
  6. Step 6: Final answer
    x = 42,407.04

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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.