Home / 73,269.20-109,903.80-47,003.60

Finding the Fourth Proportional to 73,269.20, 109,903.80 and 47,003.60

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Solution

The fourth proportional to 73,269.20, 109,903.80 and 47,003.60 is: 70,505.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,269.20 : 109,903.80 = 47,003.60 : x
  2. Step 2: Convert to fraction form
    73,269.20/109,903.80 = 47,003.60/x
  3. Step 3: Cross multiply
    73,269.20x = 109,903.80 × 47,003.60
  4. Step 4: Simplify right side
    73,269.20x = 5,165,874,253.68
  5. Step 5: Solve for x
    x = 5,165,874,253.68/73,269.20
  6. Step 6: Final answer
    x = 70,505.40

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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.