Home / 53,986.08-74,506.56-30,121.04

Finding the Fourth Proportional to 53,986.08, 74,506.56 and 30,121.04

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Solution

The fourth proportional to 53,986.08, 74,506.56 and 30,121.04 is: 41,570.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,986.08 : 74,506.56 = 30,121.04 : x
  2. Step 2: Convert to fraction form
    53,986.08/74,506.56 = 30,121.04/x
  3. Step 3: Cross multiply
    53,986.08x = 74,506.56 × 30,121.04
  4. Step 4: Simplify right side
    53,986.08x = 2,244,215,074.02
  5. Step 5: Solve for x
    x = 2,244,215,074.02/53,986.08
  6. Step 6: Final answer
    x = 41,570.25

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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.