Home / 76,433.18-114,648.66-53,850.52

Finding the Fourth Proportional to 76,433.18, 114,648.66 and 53,850.52

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Solution

The fourth proportional to 76,433.18, 114,648.66 and 53,850.52 is: 80,775.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,433.18 : 114,648.66 = 53,850.52 : x
  2. Step 2: Convert to fraction form
    76,433.18/114,648.66 = 53,850.52/x
  3. Step 3: Cross multiply
    76,433.18x = 114,648.66 × 53,850.52
  4. Step 4: Simplify right side
    76,433.18x = 6,173,889,958.30
  5. Step 5: Solve for x
    x = 6,173,889,958.30/76,433.18
  6. Step 6: Final answer
    x = 80,775.00

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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.