Home / 53,643.46-74,028.78-29,771.68

Finding the Fourth Proportional to 53,643.46, 74,028.78 and 29,771.68

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Solution

The fourth proportional to 53,643.46, 74,028.78 and 29,771.68 is: 41,085.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,643.46 : 74,028.78 = 29,771.68 : x
  2. Step 2: Convert to fraction form
    53,643.46/74,028.78 = 29,771.68/x
  3. Step 3: Cross multiply
    53,643.46x = 74,028.78 × 29,771.68
  4. Step 4: Simplify right side
    53,643.46x = 2,203,961,148.95
  5. Step 5: Solve for x
    x = 2,203,961,148.95/53,643.46
  6. Step 6: Final answer
    x = 41,085.37

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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.