Home / 79,984.28-110,368.50-50,902.62

Finding the Fourth Proportional to 79,984.28, 110,368.50 and 50,902.62

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Solution

The fourth proportional to 79,984.28, 110,368.50 and 50,902.62 is: 70,239.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,984.28 : 110,368.50 = 50,902.62 : x
  2. Step 2: Convert to fraction form
    79,984.28/110,368.50 = 50,902.62/x
  3. Step 3: Cross multiply
    79,984.28x = 110,368.50 × 50,902.62
  4. Step 4: Simplify right side
    79,984.28x = 5,618,045,815.47
  5. Step 5: Solve for x
    x = 5,618,045,815.47/79,984.28
  6. Step 6: Final answer
    x = 70,239.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.