Home / 74,412.90-111,619.35-50,793.30

Finding the Fourth Proportional to 74,412.90, 111,619.35 and 50,793.30

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Solution

The fourth proportional to 74,412.90, 111,619.35 and 50,793.30 is: 76,189.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,412.90 : 111,619.35 = 50,793.30 : x
  2. Step 2: Convert to fraction form
    74,412.90/111,619.35 = 50,793.30/x
  3. Step 3: Cross multiply
    74,412.90x = 111,619.35 × 50,793.30
  4. Step 4: Simplify right side
    74,412.90x = 5,669,515,130.36
  5. Step 5: Solve for x
    x = 5,669,515,130.36/74,412.90
  6. Step 6: Final answer
    x = 76,189.95

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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.