Home / 74,862.56-103,310.40-41,328.56

Finding the Fourth Proportional to 74,862.56, 103,310.40 and 41,328.56

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Solution

The fourth proportional to 74,862.56, 103,310.40 and 41,328.56 is: 57,033.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,862.56 : 103,310.40 = 41,328.56 : x
  2. Step 2: Convert to fraction form
    74,862.56/103,310.40 = 41,328.56/x
  3. Step 3: Cross multiply
    74,862.56x = 103,310.40 × 41,328.56
  4. Step 4: Simplify right side
    74,862.56x = 4,269,670,065.02
  5. Step 5: Solve for x
    x = 4,269,670,065.02/74,862.56
  6. Step 6: Final answer
    x = 57,033.45

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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.