Home / 74,884.24-103,219.32-65,168.83

Finding the Fourth Proportional to 74,884.24, 103,219.32 and 65,168.83

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Solution

The fourth proportional to 74,884.24, 103,219.32 and 65,168.83 is: 89,827.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,884.24 : 103,219.32 = 65,168.83 : x
  2. Step 2: Convert to fraction form
    74,884.24/103,219.32 = 65,168.83/x
  3. Step 3: Cross multiply
    74,884.24x = 103,219.32 × 65,168.83
  4. Step 4: Simplify right side
    74,884.24x = 6,726,682,317.80
  5. Step 5: Solve for x
    x = 6,726,682,317.80/74,884.24
  6. Step 6: Final answer
    x = 89,827.74

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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.