Home / 74,837.88-103,274.73-40,847.04

Finding the Fourth Proportional to 74,837.88, 103,274.73 and 40,847.04

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Solution

The fourth proportional to 74,837.88, 103,274.73 and 40,847.04 is: 56,368.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,837.88 : 103,274.73 = 40,847.04 : x
  2. Step 2: Convert to fraction form
    74,837.88/103,274.73 = 40,847.04/x
  3. Step 3: Cross multiply
    74,837.88x = 103,274.73 × 40,847.04
  4. Step 4: Simplify right side
    74,837.88x = 4,218,467,027.30
  5. Step 5: Solve for x
    x = 4,218,467,027.30/74,837.88
  6. Step 6: Final answer
    x = 56,368.07

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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.