Home / 53,782.90-74,143.47-35,871.37

Finding the Fourth Proportional to 53,782.90, 74,143.47 and 35,871.37

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Solution

The fourth proportional to 53,782.90, 74,143.47 and 35,871.37 is: 49,451.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,782.90 : 74,143.47 = 35,871.37 : x
  2. Step 2: Convert to fraction form
    53,782.90/74,143.47 = 35,871.37/x
  3. Step 3: Cross multiply
    53,782.90x = 74,143.47 × 35,871.37
  4. Step 4: Simplify right side
    53,782.90x = 2,659,627,845.45
  5. Step 5: Solve for x
    x = 2,659,627,845.45/53,782.90
  6. Step 6: Final answer
    x = 49,451.18

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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.