Home / 74,644.94-103,010.10-40,653.48

Finding the Fourth Proportional to 74,644.94, 103,010.10 and 40,653.48

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Solution

The fourth proportional to 74,644.94, 103,010.10 and 40,653.48 is: 56,101.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,644.94 : 103,010.10 = 40,653.48 : x
  2. Step 2: Convert to fraction form
    74,644.94/103,010.10 = 40,653.48/x
  3. Step 3: Cross multiply
    74,644.94x = 103,010.10 × 40,653.48
  4. Step 4: Simplify right side
    74,644.94x = 4,187,719,040.15
  5. Step 5: Solve for x
    x = 4,187,719,040.15/74,644.94
  6. Step 6: Final answer
    x = 56,101.85

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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.