Home / 76,351.47-114,556.37-43,109.07

Finding the Fourth Proportional to 76,351.47, 114,556.37 and 43,109.07

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Solution

The fourth proportional to 76,351.47, 114,556.37 and 43,109.07 is: 64,680.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,351.47 : 114,556.37 = 43,109.07 : x
  2. Step 2: Convert to fraction form
    76,351.47/114,556.37 = 43,109.07/x
  3. Step 3: Cross multiply
    76,351.47x = 114,556.37 × 43,109.07
  4. Step 4: Simplify right side
    76,351.47x = 4,938,418,357.73
  5. Step 5: Solve for x
    x = 4,938,418,357.73/76,351.47
  6. Step 6: Final answer
    x = 64,680.07

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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.