Home / 79,784.20-119,618.70-44,734.60

Finding the Fourth Proportional to 79,784.20, 119,618.70 and 44,734.60

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Solution

The fourth proportional to 79,784.20, 119,618.70 and 44,734.60 is: 67,069.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,784.20 : 119,618.70 = 44,734.60 : x
  2. Step 2: Convert to fraction form
    79,784.20/119,618.70 = 44,734.60/x
  3. Step 3: Cross multiply
    79,784.20x = 119,618.70 × 44,734.60
  4. Step 4: Simplify right side
    79,784.20x = 5,351,094,697.02
  5. Step 5: Solve for x
    x = 5,351,094,697.02/79,784.20
  6. Step 6: Final answer
    x = 67,069.60

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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.