Home / 79,515.46-109,735.32-43,710.22

Finding the Fourth Proportional to 79,515.46, 109,735.32 and 43,710.22

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Solution

The fourth proportional to 79,515.46, 109,735.32 and 43,710.22 is: 60,322.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,515.46 : 109,735.32 = 43,710.22 : x
  2. Step 2: Convert to fraction form
    79,515.46/109,735.32 = 43,710.22/x
  3. Step 3: Cross multiply
    79,515.46x = 109,735.32 × 43,710.22
  4. Step 4: Simplify right side
    79,515.46x = 4,796,554,978.97
  5. Step 5: Solve for x
    x = 4,796,554,978.97/79,515.46
  6. Step 6: Final answer
    x = 60,322.29

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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.