Home / 74,268.89-102,489.66-42,002.94

Finding the Fourth Proportional to 74,268.89, 102,489.66 and 42,002.94

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Solution

The fourth proportional to 74,268.89, 102,489.66 and 42,002.94 is: 57,963.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,268.89 : 102,489.66 = 42,002.94 : x
  2. Step 2: Convert to fraction form
    74,268.89/102,489.66 = 42,002.94/x
  3. Step 3: Cross multiply
    74,268.89x = 102,489.66 × 42,002.94
  4. Step 4: Simplify right side
    74,268.89x = 4,304,867,039.60
  5. Step 5: Solve for x
    x = 4,304,867,039.60/74,268.89
  6. Step 6: Final answer
    x = 57,963.26

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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.