Home / 74,811.28-103,239.51-41,277.28

Finding the Fourth Proportional to 74,811.28, 103,239.51 and 41,277.28

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Solution

The fourth proportional to 74,811.28, 103,239.51 and 41,277.28 is: 56,962.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,811.28 : 103,239.51 = 41,277.28 : x
  2. Step 2: Convert to fraction form
    74,811.28/103,239.51 = 41,277.28/x
  3. Step 3: Cross multiply
    74,811.28x = 103,239.51 × 41,277.28
  4. Step 4: Simplify right side
    74,811.28x = 4,261,446,161.33
  5. Step 5: Solve for x
    x = 4,261,446,161.33/74,811.28
  6. Step 6: Final answer
    x = 56,962.62

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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.