Home / 74,950.56-103,438.32-41,423.04

Finding the Fourth Proportional to 74,950.56, 103,438.32 and 41,423.04

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Solution

The fourth proportional to 74,950.56, 103,438.32 and 41,423.04 is: 57,167.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,950.56 : 103,438.32 = 41,423.04 : x
  2. Step 2: Convert to fraction form
    74,950.56/103,438.32 = 41,423.04/x
  3. Step 3: Cross multiply
    74,950.56x = 103,438.32 × 41,423.04
  4. Step 4: Simplify right side
    74,950.56x = 4,284,729,666.89
  5. Step 5: Solve for x
    x = 4,284,729,666.89/74,950.56
  6. Step 6: Final answer
    x = 57,167.41

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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.