Home / 91,771.14-126,644.22-53,556.96

Finding the Fourth Proportional to 91,771.14, 126,644.22 and 53,556.96

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Solution

The fourth proportional to 91,771.14, 126,644.22 and 53,556.96 is: 73,908.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,771.14 : 126,644.22 = 53,556.96 : x
  2. Step 2: Convert to fraction form
    91,771.14/126,644.22 = 53,556.96/x
  3. Step 3: Cross multiply
    91,771.14x = 126,644.22 × 53,556.96
  4. Step 4: Simplify right side
    91,771.14x = 6,782,679,424.77
  5. Step 5: Solve for x
    x = 6,782,679,424.77/91,771.14
  6. Step 6: Final answer
    x = 73,908.63

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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.