Home / 79,436.02-109,623.62-43,626.80

Finding the Fourth Proportional to 79,436.02, 109,623.62 and 43,626.80

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Solution

The fourth proportional to 79,436.02, 109,623.62 and 43,626.80 is: 60,206.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,436.02 : 109,623.62 = 43,626.80 : x
  2. Step 2: Convert to fraction form
    79,436.02/109,623.62 = 43,626.80/x
  3. Step 3: Cross multiply
    79,436.02x = 109,623.62 × 43,626.80
  4. Step 4: Simplify right side
    79,436.02x = 4,782,527,745.02
  5. Step 5: Solve for x
    x = 4,782,527,745.02/79,436.02
  6. Step 6: Final answer
    x = 60,206.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.