Home / 79,706.40-109,997.22-43,410.24

Finding the Fourth Proportional to 79,706.40, 109,997.22 and 43,410.24

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Solution

The fourth proportional to 79,706.40, 109,997.22 and 43,410.24 is: 59,907.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,706.40 : 109,997.22 = 43,410.24 : x
  2. Step 2: Convert to fraction form
    79,706.40/109,997.22 = 43,410.24/x
  3. Step 3: Cross multiply
    79,706.40x = 109,997.22 × 43,410.24
  4. Step 4: Simplify right side
    79,706.40x = 4,775,005,719.53
  5. Step 5: Solve for x
    x = 4,775,005,719.53/79,706.40
  6. Step 6: Final answer
    x = 59,907.43

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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.