Home / 76,499.45-114,749.27-23,909.21

Finding the Fourth Proportional to 76,499.45, 114,749.27 and 23,909.21

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Solution

The fourth proportional to 76,499.45, 114,749.27 and 23,909.21 is: 35,863.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,499.45 : 114,749.27 = 23,909.21 : x
  2. Step 2: Convert to fraction form
    76,499.45/114,749.27 = 23,909.21/x
  3. Step 3: Cross multiply
    76,499.45x = 114,749.27 × 23,909.21
  4. Step 4: Simplify right side
    76,499.45x = 2,743,564,274.23
  5. Step 5: Solve for x
    x = 2,743,564,274.23/76,499.45
  6. Step 6: Final answer
    x = 35,863.84

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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.