Home / 74,918.44-103,390.60-43,087.37

Finding the Fourth Proportional to 74,918.44, 103,390.60 and 43,087.37

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Solution

The fourth proportional to 74,918.44, 103,390.60 and 43,087.37 is: 59,462.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,918.44 : 103,390.60 = 43,087.37 : x
  2. Step 2: Convert to fraction form
    74,918.44/103,390.60 = 43,087.37/x
  3. Step 3: Cross multiply
    74,918.44x = 103,390.60 × 43,087.37
  4. Step 4: Simplify right side
    74,918.44x = 4,454,829,036.72
  5. Step 5: Solve for x
    x = 4,454,829,036.72/74,918.44
  6. Step 6: Final answer
    x = 59,462.38

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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.