Home / 79,434.02-109,620.85-43,624.80

Finding the Fourth Proportional to 79,434.02, 109,620.85 and 43,624.80

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Solution

The fourth proportional to 79,434.02, 109,620.85 and 43,624.80 is: 60,203.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,434.02 : 109,620.85 = 43,624.80 : x
  2. Step 2: Convert to fraction form
    79,434.02/109,620.85 = 43,624.80/x
  3. Step 3: Cross multiply
    79,434.02x = 109,620.85 × 43,624.80
  4. Step 4: Simplify right side
    79,434.02x = 4,782,187,657.08
  5. Step 5: Solve for x
    x = 4,782,187,657.08/79,434.02
  6. Step 6: Final answer
    x = 60,203.27

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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.