Home / 79,042.02-109,076.58-43,231.24

Finding the Fourth Proportional to 79,042.02, 109,076.58 and 43,231.24

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Solution

The fourth proportional to 79,042.02, 109,076.58 and 43,231.24 is: 59,658.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,042.02 : 109,076.58 = 43,231.24 : x
  2. Step 2: Convert to fraction form
    79,042.02/109,076.58 = 43,231.24/x
  3. Step 3: Cross multiply
    79,042.02x = 109,076.58 × 43,231.24
  4. Step 4: Simplify right side
    79,042.02x = 4,715,515,808.36
  5. Step 5: Solve for x
    x = 4,715,515,808.36/79,042.02
  6. Step 6: Final answer
    x = 59,658.34

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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.