Home / 79,435.02-109,622.24-43,625.80

Finding the Fourth Proportional to 79,435.02, 109,622.24 and 43,625.80

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Solution

The fourth proportional to 79,435.02, 109,622.24 and 43,625.80 is: 60,204.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,435.02 : 109,622.24 = 43,625.80 : x
  2. Step 2: Convert to fraction form
    79,435.02/109,622.24 = 43,625.80/x
  3. Step 3: Cross multiply
    79,435.02x = 109,622.24 × 43,625.80
  4. Step 4: Simplify right side
    79,435.02x = 4,782,357,917.79
  5. Step 5: Solve for x
    x = 4,782,357,917.79/79,435.02
  6. Step 6: Final answer
    x = 60,204.65

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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.