Home / 79,039.90-109,076.69-43,232.23

Finding the Fourth Proportional to 79,039.90, 109,076.69 and 43,232.23

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Solution

The fourth proportional to 79,039.90, 109,076.69 and 43,232.23 is: 59,661.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,039.90 : 109,076.69 = 43,232.23 : x
  2. Step 2: Convert to fraction form
    79,039.90/109,076.69 = 43,232.23/x
  3. Step 3: Cross multiply
    79,039.90x = 109,076.69 × 43,232.23
  4. Step 4: Simplify right side
    79,039.90x = 4,715,628,794.15
  5. Step 5: Solve for x
    x = 4,715,628,794.15/79,039.90
  6. Step 6: Final answer
    x = 59,661.37

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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.