Home / 53,059.75-79,489.34-31,356.47

Finding the Fourth Proportional to 53,059.75, 79,489.34 and 31,356.47

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Solution

The fourth proportional to 53,059.75, 79,489.34 and 31,356.47 is: 46,975.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,059.75 : 79,489.34 = 31,356.47 : x
  2. Step 2: Convert to fraction form
    53,059.75/79,489.34 = 31,356.47/x
  3. Step 3: Cross multiply
    53,059.75x = 79,489.34 × 31,356.47
  4. Step 4: Simplify right side
    53,059.75x = 2,492,504,707.58
  5. Step 5: Solve for x
    x = 2,492,504,707.58/53,059.75
  6. Step 6: Final answer
    x = 46,975.44

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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.