Home / 74,812.50-103,243.41-41,280.66

Finding the Fourth Proportional to 74,812.50, 103,243.41 and 41,280.66

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Solution

The fourth proportional to 74,812.50, 103,243.41 and 41,280.66 is: 56,968.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,812.50 : 103,243.41 = 41,280.66 : x
  2. Step 2: Convert to fraction form
    74,812.50/103,243.41 = 41,280.66/x
  3. Step 3: Cross multiply
    74,812.50x = 103,243.41 × 41,280.66
  4. Step 4: Simplify right side
    74,812.50x = 4,261,956,105.45
  5. Step 5: Solve for x
    x = 4,261,956,105.45/74,812.50
  6. Step 6: Final answer
    x = 56,968.50

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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.