Home / 43,834.73-65,700.18-20,122.34

Finding the Fourth Proportional to 43,834.73, 65,700.18 and 20,122.34

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Solution

The fourth proportional to 43,834.73, 65,700.18 and 20,122.34 is: 30,159.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,834.73 : 65,700.18 = 20,122.34 : x
  2. Step 2: Convert to fraction form
    43,834.73/65,700.18 = 20,122.34/x
  3. Step 3: Cross multiply
    43,834.73x = 65,700.18 × 20,122.34
  4. Step 4: Simplify right side
    43,834.73x = 1,322,041,031.52
  5. Step 5: Solve for x
    x = 1,322,041,031.52/43,834.73
  6. Step 6: Final answer
    x = 30,159.67

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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.