Home / 76,556.03-114,857.41-39,142.38

Finding the Fourth Proportional to 76,556.03, 114,857.41 and 39,142.38

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Solution

The fourth proportional to 76,556.03, 114,857.41 and 39,142.38 is: 58,725.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,556.03 : 114,857.41 = 39,142.38 : x
  2. Step 2: Convert to fraction form
    76,556.03/114,857.41 = 39,142.38/x
  3. Step 3: Cross multiply
    76,556.03x = 114,857.41 × 39,142.38
  4. Step 4: Simplify right side
    76,556.03x = 4,495,792,867.68
  5. Step 5: Solve for x
    x = 4,495,792,867.68/76,556.03
  6. Step 6: Final answer
    x = 58,725.52

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1.5x scale

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.