Home / 79,612.20-109,860.84-43,801.26

Finding the Fourth Proportional to 79,612.20, 109,860.84 and 43,801.26

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Solution

The fourth proportional to 79,612.20, 109,860.84 and 43,801.26 is: 60,443.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,612.20 : 109,860.84 = 43,801.26 : x
  2. Step 2: Convert to fraction form
    79,612.20/109,860.84 = 43,801.26/x
  3. Step 3: Cross multiply
    79,612.20x = 109,860.84 × 43,801.26
  4. Step 4: Simplify right side
    79,612.20x = 4,812,043,216.66
  5. Step 5: Solve for x
    x = 4,812,043,216.66/79,612.20
  6. Step 6: Final answer
    x = 60,443.54

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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.