Home / 53,995.31-74,513.31-30,122.01

Finding the Fourth Proportional to 53,995.31, 74,513.31 and 30,122.01

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Solution

The fourth proportional to 53,995.31, 74,513.31 and 30,122.01 is: 41,568.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,995.31 : 74,513.31 = 30,122.01 : x
  2. Step 2: Convert to fraction form
    53,995.31/74,513.31 = 30,122.01/x
  3. Step 3: Cross multiply
    53,995.31x = 74,513.31 × 30,122.01
  4. Step 4: Simplify right side
    53,995.31x = 2,244,490,556.00
  5. Step 5: Solve for x
    x = 2,244,490,556.00/53,995.31
  6. Step 6: Final answer
    x = 41,568.25

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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.