Home / 74,040.63-102,173.45-41,785.43

Finding the Fourth Proportional to 74,040.63, 102,173.45 and 41,785.43

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Solution

The fourth proportional to 74,040.63, 102,173.45 and 41,785.43 is: 57,662.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,040.63 : 102,173.45 = 41,785.43 : x
  2. Step 2: Convert to fraction form
    74,040.63/102,173.45 = 41,785.43/x
  3. Step 3: Cross multiply
    74,040.63x = 102,173.45 × 41,785.43
  4. Step 4: Simplify right side
    74,040.63x = 4,269,360,823.04
  5. Step 5: Solve for x
    x = 4,269,360,823.04/74,040.63
  6. Step 6: Final answer
    x = 57,662.41

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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.