Home / 90,703.06-124,884.35-82,295.49

Finding the Fourth Proportional to 90,703.06, 124,884.35 and 82,295.49

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Solution

The fourth proportional to 90,703.06, 124,884.35 and 82,295.49 is: 113,308.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,703.06 : 124,884.35 = 82,295.49 : x
  2. Step 2: Convert to fraction form
    90,703.06/124,884.35 = 82,295.49/x
  3. Step 3: Cross multiply
    90,703.06x = 124,884.35 × 82,295.49
  4. Step 4: Simplify right side
    90,703.06x = 10,277,419,142.03
  5. Step 5: Solve for x
    x = 10,277,419,142.03/90,703.06
  6. Step 6: Final answer
    x = 113,308.41

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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.