Home / 92,982.12-128,314.56-50,540.52

Finding the Fourth Proportional to 92,982.12, 128,314.56 and 50,540.52

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Solution

The fourth proportional to 92,982.12, 128,314.56 and 50,540.52 is: 69,745.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,982.12 : 128,314.56 = 50,540.52 : x
  2. Step 2: Convert to fraction form
    92,982.12/128,314.56 = 50,540.52/x
  3. Step 3: Cross multiply
    92,982.12x = 128,314.56 × 50,540.52
  4. Step 4: Simplify right side
    92,982.12x = 6,485,084,585.97
  5. Step 5: Solve for x
    x = 6,485,084,585.97/92,982.12
  6. Step 6: Final answer
    x = 69,745.50

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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.