Home / 49,258.08-67,969.80-27,745.20

Finding the Fourth Proportional to 49,258.08, 67,969.80 and 27,745.20

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Solution

The fourth proportional to 49,258.08, 67,969.80 and 27,745.20 is: 38,284.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,258.08 : 67,969.80 = 27,745.20 : x
  2. Step 2: Convert to fraction form
    49,258.08/67,969.80 = 27,745.20/x
  3. Step 3: Cross multiply
    49,258.08x = 67,969.80 × 27,745.20
  4. Step 4: Simplify right side
    49,258.08x = 1,885,835,694.96
  5. Step 5: Solve for x
    x = 1,885,835,694.96/49,258.08
  6. Step 6: Final answer
    x = 38,284.80

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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.