Home / 53,078.20-73,255.94-31,869.16

Finding the Fourth Proportional to 53,078.20, 73,255.94 and 31,869.16

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Solution

The fourth proportional to 53,078.20, 73,255.94 and 31,869.16 is: 43,984.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,078.20 : 73,255.94 = 31,869.16 : x
  2. Step 2: Convert to fraction form
    53,078.20/73,255.94 = 31,869.16/x
  3. Step 3: Cross multiply
    53,078.20x = 73,255.94 × 31,869.16
  4. Step 4: Simplify right side
    53,078.20x = 2,334,605,272.81
  5. Step 5: Solve for x
    x = 2,334,605,272.81/53,078.20
  6. Step 6: Final answer
    x = 43,984.26

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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.