Home / 90,648.44-135,958.60-46,307.96

Finding the Fourth Proportional to 90,648.44, 135,958.60 and 46,307.96

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Solution

The fourth proportional to 90,648.44, 135,958.60 and 46,307.96 is: 69,454.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,648.44 : 135,958.60 = 46,307.96 : x
  2. Step 2: Convert to fraction form
    90,648.44/135,958.60 = 46,307.96/x
  3. Step 3: Cross multiply
    90,648.44x = 135,958.60 × 46,307.96
  4. Step 4: Simplify right side
    90,648.44x = 6,295,965,410.46
  5. Step 5: Solve for x
    x = 6,295,965,410.46/90,648.44
  6. Step 6: Final answer
    x = 69,454.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.