Home / 79,825.28-110,100.98-54,286.25

Finding the Fourth Proportional to 79,825.28, 110,100.98 and 54,286.25

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Solution

The fourth proportional to 79,825.28, 110,100.98 and 54,286.25 is: 74,875.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,825.28 : 110,100.98 = 54,286.25 : x
  2. Step 2: Convert to fraction form
    79,825.28/110,100.98 = 54,286.25/x
  3. Step 3: Cross multiply
    79,825.28x = 110,100.98 × 54,286.25
  4. Step 4: Simplify right side
    79,825.28x = 5,976,968,910.74
  5. Step 5: Solve for x
    x = 5,976,968,910.74/79,825.28
  6. Step 6: Final answer
    x = 74,875.64

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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.