Home / 91,231.22-125,897.89-50,945.69

Finding the Fourth Proportional to 91,231.22, 125,897.89 and 50,945.69

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Solution

The fourth proportional to 91,231.22, 125,897.89 and 50,945.69 is: 70,304.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,231.22 : 125,897.89 = 50,945.69 : x
  2. Step 2: Convert to fraction form
    91,231.22/125,897.89 = 50,945.69/x
  3. Step 3: Cross multiply
    91,231.22x = 125,897.89 × 50,945.69
  4. Step 4: Simplify right side
    91,231.22x = 6,413,954,118.74
  5. Step 5: Solve for x
    x = 6,413,954,118.74/91,231.22
  6. Step 6: Final answer
    x = 70,304.38

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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.