Home / 53,019.36-73,166.49-29,147.31

Finding the Fourth Proportional to 53,019.36, 73,166.49 and 29,147.31

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Solution

The fourth proportional to 53,019.36, 73,166.49 and 29,147.31 is: 40,223.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,019.36 : 73,166.49 = 29,147.31 : x
  2. Step 2: Convert to fraction form
    53,019.36/73,166.49 = 29,147.31/x
  3. Step 3: Cross multiply
    53,019.36x = 73,166.49 × 29,147.31
  4. Step 4: Simplify right side
    53,019.36x = 2,132,606,365.64
  5. Step 5: Solve for x
    x = 2,132,606,365.64/53,019.36
  6. Step 6: Final answer
    x = 40,223.16

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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.