Home / 74,346.60-111,630.61-30,059.85

Finding the Fourth Proportional to 74,346.60, 111,630.61 and 30,059.85

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Solution

The fourth proportional to 74,346.60, 111,630.61 and 30,059.85 is: 45,134.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,346.60 : 111,630.61 = 30,059.85 : x
  2. Step 2: Convert to fraction form
    74,346.60/111,630.61 = 30,059.85/x
  3. Step 3: Cross multiply
    74,346.60x = 111,630.61 × 30,059.85
  4. Step 4: Simplify right side
    74,346.60x = 3,355,599,618.78
  5. Step 5: Solve for x
    x = 3,355,599,618.78/74,346.60
  6. Step 6: Final answer
    x = 45,134.54

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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.