Home / 74,067.09-102,106.26-52,809.45

Finding the Fourth Proportional to 74,067.09, 102,106.26 and 52,809.45

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Solution

The fourth proportional to 74,067.09, 102,106.26 and 52,809.45 is: 72,801.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,067.09 : 102,106.26 = 52,809.45 : x
  2. Step 2: Convert to fraction form
    74,067.09/102,106.26 = 52,809.45/x
  3. Step 3: Cross multiply
    74,067.09x = 102,106.26 × 52,809.45
  4. Step 4: Simplify right side
    74,067.09x = 5,392,175,432.16
  5. Step 5: Solve for x
    x = 5,392,175,432.16/74,067.09
  6. Step 6: Final answer
    x = 72,801.23

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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.