Home / 74,304.51-111,266.46-40,987.54

Finding the Fourth Proportional to 74,304.51, 111,266.46 and 40,987.54

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Solution

The fourth proportional to 74,304.51, 111,266.46 and 40,987.54 is: 61,376.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,304.51 : 111,266.46 = 40,987.54 : x
  2. Step 2: Convert to fraction form
    74,304.51/111,266.46 = 40,987.54/x
  3. Step 3: Cross multiply
    74,304.51x = 111,266.46 × 40,987.54
  4. Step 4: Simplify right side
    74,304.51x = 4,560,537,993.12
  5. Step 5: Solve for x
    x = 4,560,537,993.12/74,304.51
  6. Step 6: Final answer
    x = 61,376.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.