Home / 53,859.40-80,668.79-39,034.28

Finding the Fourth Proportional to 53,859.40, 80,668.79 and 39,034.28

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Solution

The fourth proportional to 53,859.40, 80,668.79 and 39,034.28 is: 58,464.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,859.40 : 80,668.79 = 39,034.28 : x
  2. Step 2: Convert to fraction form
    53,859.40/80,668.79 = 39,034.28/x
  3. Step 3: Cross multiply
    53,859.40x = 80,668.79 × 39,034.28
  4. Step 4: Simplify right side
    53,859.40x = 3,148,848,289.00
  5. Step 5: Solve for x
    x = 3,148,848,289.00/53,859.40
  6. Step 6: Final answer
    x = 58,464.23

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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.