Home / 53,992.80-74,510.19-30,121.02

Finding the Fourth Proportional to 53,992.80, 74,510.19 and 30,121.02

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Solution

The fourth proportional to 53,992.80, 74,510.19 and 30,121.02 is: 41,567.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,992.80 : 74,510.19 = 30,121.02 : x
  2. Step 2: Convert to fraction form
    53,992.80/74,510.19 = 30,121.02/x
  3. Step 3: Cross multiply
    53,992.80x = 74,510.19 × 30,121.02
  4. Step 4: Simplify right side
    53,992.80x = 2,244,322,923.19
  5. Step 5: Solve for x
    x = 2,244,322,923.19/53,992.80
  6. Step 6: Final answer
    x = 41,567.08

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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.