Home / 53,679.12-74,074.93-29,804.37

Finding the Fourth Proportional to 53,679.12, 74,074.93 and 29,804.37

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Solution

The fourth proportional to 53,679.12, 74,074.93 and 29,804.37 is: 41,128.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,679.12 : 74,074.93 = 29,804.37 : x
  2. Step 2: Convert to fraction form
    53,679.12/74,074.93 = 29,804.37/x
  3. Step 3: Cross multiply
    53,679.12x = 74,074.93 × 29,804.37
  4. Step 4: Simplify right side
    53,679.12x = 2,207,756,621.44
  5. Step 5: Solve for x
    x = 2,207,756,621.44/53,679.12
  6. Step 6: Final answer
    x = 41,128.78

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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.