Home / 54,087.36-74,675.80-48,412.43

Finding the Fourth Proportional to 54,087.36, 74,675.80 and 48,412.43

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Solution

The fourth proportional to 54,087.36, 74,675.80 and 48,412.43 is: 66,840.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,087.36 : 74,675.80 = 48,412.43 : x
  2. Step 2: Convert to fraction form
    54,087.36/74,675.80 = 48,412.43/x
  3. Step 3: Cross multiply
    54,087.36x = 74,675.80 × 48,412.43
  4. Step 4: Simplify right side
    54,087.36x = 3,615,237,191.26
  5. Step 5: Solve for x
    x = 3,615,237,191.26/54,087.36
  6. Step 6: Final answer
    x = 66,840.71

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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.