Home / 57,230.64-78,981.39-33,355.89

Finding the Fourth Proportional to 57,230.64, 78,981.39 and 33,355.89

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Solution

The fourth proportional to 57,230.64, 78,981.39 and 33,355.89 is: 46,032.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,230.64 : 78,981.39 = 33,355.89 : x
  2. Step 2: Convert to fraction form
    57,230.64/78,981.39 = 33,355.89/x
  3. Step 3: Cross multiply
    57,230.64x = 78,981.39 × 33,355.89
  4. Step 4: Simplify right side
    57,230.64x = 2,634,494,556.89
  5. Step 5: Solve for x
    x = 2,634,494,556.89/57,230.64
  6. Step 6: Final answer
    x = 46,032.94

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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.