Home / 74,811.94-103,242.64-41,280.10

Finding the Fourth Proportional to 74,811.94, 103,242.64 and 41,280.10

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Solution

The fourth proportional to 74,811.94, 103,242.64 and 41,280.10 is: 56,967.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,811.94 : 103,242.64 = 41,280.10 : x
  2. Step 2: Convert to fraction form
    74,811.94/103,242.64 = 41,280.10/x
  3. Step 3: Cross multiply
    74,811.94x = 103,242.64 × 41,280.10
  4. Step 4: Simplify right side
    74,811.94x = 4,261,866,297.06
  5. Step 5: Solve for x
    x = 4,261,866,297.06/74,811.94
  6. Step 6: Final answer
    x = 56,967.73

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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.