Home / 74,342.53-102,592.44-40,351.02

Finding the Fourth Proportional to 74,342.53, 102,592.44 and 40,351.02

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Solution

The fourth proportional to 74,342.53, 102,592.44 and 40,351.02 is: 55,684.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,342.53 : 102,592.44 = 40,351.02 : x
  2. Step 2: Convert to fraction form
    74,342.53/102,592.44 = 40,351.02/x
  3. Step 3: Cross multiply
    74,342.53x = 102,592.44 × 40,351.02
  4. Step 4: Simplify right side
    74,342.53x = 4,139,709,213.57
  5. Step 5: Solve for x
    x = 4,139,709,213.57/74,342.53
  6. Step 6: Final answer
    x = 55,684.27

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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.