Home / 74,724-103,119.12-41,190.72

Finding the Fourth Proportional to 74,724, 103,119.12 and 41,190.72

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Solution

The fourth proportional to 74,724, 103,119.12 and 41,190.72 is: 56,843.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,724 : 103,119.12 = 41,190.72 : x
  2. Step 2: Convert to fraction form
    74,724/103,119.12 = 41,190.72/x
  3. Step 3: Cross multiply
    74,724x = 103,119.12 × 41,190.72
  4. Step 4: Simplify right side
    74,724x = 4,247,550,798.57
  5. Step 5: Solve for x
    x = 4,247,550,798.57/74,724
  6. Step 6: Final answer
    x = 56,843.19

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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.