Home / 79,076.01-109,126.26-43,269.15

Finding the Fourth Proportional to 79,076.01, 109,126.26 and 43,269.15

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Solution

The fourth proportional to 79,076.01, 109,126.26 and 43,269.15 is: 59,712.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,076.01 : 109,126.26 = 43,269.15 : x
  2. Step 2: Convert to fraction form
    79,076.01/109,126.26 = 43,269.15/x
  3. Step 3: Cross multiply
    79,076.01x = 109,126.26 × 43,269.15
  4. Step 4: Simplify right side
    79,076.01x = 4,721,800,512.88
  5. Step 5: Solve for x
    x = 4,721,800,512.88/79,076.01
  6. Step 6: Final answer
    x = 59,712.17

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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.