Home / 90,992.10-125,567.39-50,704.98

Finding the Fourth Proportional to 90,992.10, 125,567.39 and 50,704.98

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Solution

The fourth proportional to 90,992.10, 125,567.39 and 50,704.98 is: 69,971.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,992.10 : 125,567.39 = 50,704.98 : x
  2. Step 2: Convert to fraction form
    90,992.10/125,567.39 = 50,704.98/x
  3. Step 3: Cross multiply
    90,992.10x = 125,567.39 × 50,704.98
  4. Step 4: Simplify right side
    90,992.10x = 6,366,891,745.08
  5. Step 5: Solve for x
    x = 6,366,891,745.08/90,992.10
  6. Step 6: Final answer
    x = 69,971.92

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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.