Home / 74,895.44-103,213.64-53,637.80

Finding the Fourth Proportional to 74,895.44, 103,213.64 and 53,637.80

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Solution

The fourth proportional to 74,895.44, 103,213.64 and 53,637.80 is: 73,918.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,895.44 : 103,213.64 = 53,637.80 : x
  2. Step 2: Convert to fraction form
    74,895.44/103,213.64 = 53,637.80/x
  3. Step 3: Cross multiply
    74,895.44x = 103,213.64 × 53,637.80
  4. Step 4: Simplify right side
    74,895.44x = 5,536,152,197.62
  5. Step 5: Solve for x
    x = 5,536,152,197.62/74,895.44
  6. Step 6: Final answer
    x = 73,918.42

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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.