Home / 74,512.40-111,768.60-50,892.80

Finding the Fourth Proportional to 74,512.40, 111,768.60 and 50,892.80

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Solution

The fourth proportional to 74,512.40, 111,768.60 and 50,892.80 is: 76,339.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,512.40 : 111,768.60 = 50,892.80 : x
  2. Step 2: Convert to fraction form
    74,512.40/111,768.60 = 50,892.80/x
  3. Step 3: Cross multiply
    74,512.40x = 111,768.60 × 50,892.80
  4. Step 4: Simplify right side
    74,512.40x = 5,688,217,006.08
  5. Step 5: Solve for x
    x = 5,688,217,006.08/74,512.40
  6. Step 6: Final answer
    x = 76,339.20

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1.5x scale

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.