Home / 74,812.19-103,242.98-41,280.35

Finding the Fourth Proportional to 74,812.19, 103,242.98 and 41,280.35

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Solution

The fourth proportional to 74,812.19, 103,242.98 and 41,280.35 is: 56,968.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,812.19 : 103,242.98 = 41,280.35 : x
  2. Step 2: Convert to fraction form
    74,812.19/103,242.98 = 41,280.35/x
  3. Step 3: Cross multiply
    74,812.19x = 103,242.98 × 41,280.35
  4. Step 4: Simplify right side
    74,812.19x = 4,261,906,349.44
  5. Step 5: Solve for x
    x = 4,261,906,349.44/74,812.19
  6. Step 6: Final answer
    x = 56,968.07

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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.