Home / 61,725.30-85,180.49-33,430.42

Finding the Fourth Proportional to 61,725.30, 85,180.49 and 33,430.42

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Solution

The fourth proportional to 61,725.30, 85,180.49 and 33,430.42 is: 46,133.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,725.30 : 85,180.49 = 33,430.42 : x
  2. Step 2: Convert to fraction form
    61,725.30/85,180.49 = 33,430.42/x
  3. Step 3: Cross multiply
    61,725.30x = 85,180.49 × 33,430.42
  4. Step 4: Simplify right side
    61,725.30x = 2,847,619,556.51
  5. Step 5: Solve for x
    x = 2,847,619,556.51/61,725.30
  6. Step 6: Final answer
    x = 46,133.75

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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.