Home / 91,020.93-125,613.20-50,734.98

Finding the Fourth Proportional to 91,020.93, 125,613.20 and 50,734.98

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Solution

The fourth proportional to 91,020.93, 125,613.20 and 50,734.98 is: 70,016.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,020.93 : 125,613.20 = 50,734.98 : x
  2. Step 2: Convert to fraction form
    91,020.93/125,613.20 = 50,734.98/x
  3. Step 3: Cross multiply
    91,020.93x = 125,613.20 × 50,734.98
  4. Step 4: Simplify right side
    91,020.93x = 6,372,982,936.06
  5. Step 5: Solve for x
    x = 6,372,982,936.06/91,020.93
  6. Step 6: Final answer
    x = 70,016.68

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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.