Home / 90,992.88-125,555.39-52,744.96

Finding the Fourth Proportional to 90,992.88, 125,555.39 and 52,744.96

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Solution

The fourth proportional to 90,992.88, 125,555.39 and 52,744.96 is: 72,779.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,992.88 : 125,555.39 = 52,744.96 : x
  2. Step 2: Convert to fraction form
    90,992.88/125,555.39 = 52,744.96/x
  3. Step 3: Cross multiply
    90,992.88x = 125,555.39 × 52,744.96
  4. Step 4: Simplify right side
    90,992.88x = 6,622,414,023.33
  5. Step 5: Solve for x
    x = 6,622,414,023.33/90,992.88
  6. Step 6: Final answer
    x = 72,779.47

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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.