Home / 74,205.07-102,398.64-43,993.28

Finding the Fourth Proportional to 74,205.07, 102,398.64 and 43,993.28

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Solution

The fourth proportional to 74,205.07, 102,398.64 and 43,993.28 is: 60,708.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,205.07 : 102,398.64 = 43,993.28 : x
  2. Step 2: Convert to fraction form
    74,205.07/102,398.64 = 43,993.28/x
  3. Step 3: Cross multiply
    74,205.07x = 102,398.64 × 43,993.28
  4. Step 4: Simplify right side
    74,205.07x = 4,504,852,041.14
  5. Step 5: Solve for x
    x = 4,504,852,041.14/74,205.07
  6. Step 6: Final answer
    x = 60,708.14

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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.