Home / 91,516.33-126,291.56-51,230.42

Finding the Fourth Proportional to 91,516.33, 126,291.56 and 51,230.42

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Solution

The fourth proportional to 91,516.33, 126,291.56 and 51,230.42 is: 70,697.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,516.33 : 126,291.56 = 51,230.42 : x
  2. Step 2: Convert to fraction form
    91,516.33/126,291.56 = 51,230.42/x
  3. Step 3: Cross multiply
    91,516.33x = 126,291.56 × 51,230.42
  4. Step 4: Simplify right side
    91,516.33x = 6,469,970,389.89
  5. Step 5: Solve for x
    x = 6,469,970,389.89/91,516.33
  6. Step 6: Final answer
    x = 70,697.44

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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.