Home / 91,483.44-126,231.88-53,764.96

Finding the Fourth Proportional to 91,483.44, 126,231.88 and 53,764.96

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Solution

The fourth proportional to 91,483.44, 126,231.88 and 53,764.96 is: 74,186.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,483.44 : 126,231.88 = 53,764.96 : x
  2. Step 2: Convert to fraction form
    91,483.44/126,231.88 = 53,764.96/x
  3. Step 3: Cross multiply
    91,483.44x = 126,231.88 × 53,764.96
  4. Step 4: Simplify right side
    91,483.44x = 6,786,851,978.92
  5. Step 5: Solve for x
    x = 6,786,851,978.92/91,483.44
  6. Step 6: Final answer
    x = 74,186.67

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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.