Home / 88,485.38-122,108.12-48,198.68

Finding the Fourth Proportional to 88,485.38, 122,108.12 and 48,198.68

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Solution

The fourth proportional to 88,485.38, 122,108.12 and 48,198.68 is: 66,513.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,485.38 : 122,108.12 = 48,198.68 : x
  2. Step 2: Convert to fraction form
    88,485.38/122,108.12 = 48,198.68/x
  3. Step 3: Cross multiply
    88,485.38x = 122,108.12 × 48,198.68
  4. Step 4: Simplify right side
    88,485.38x = 5,885,450,201.28
  5. Step 5: Solve for x
    x = 5,885,450,201.28/88,485.38
  6. Step 6: Final answer
    x = 66,513.25

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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.