Home / 91,317.11-136,975.86-35,183.67

Finding the Fourth Proportional to 91,317.11, 136,975.86 and 35,183.67

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Solution

The fourth proportional to 91,317.11, 136,975.86 and 35,183.67 is: 52,775.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,317.11 : 136,975.86 = 35,183.67 : x
  2. Step 2: Convert to fraction form
    91,317.11/136,975.86 = 35,183.67/x
  3. Step 3: Cross multiply
    91,317.11x = 136,975.86 × 35,183.67
  4. Step 4: Simplify right side
    91,317.11x = 4,819,312,942.55
  5. Step 5: Solve for x
    x = 4,819,312,942.55/91,317.11
  6. Step 6: Final answer
    x = 52,775.58

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.