Home / 74,763.45-103,173.27-40,771.86

Finding the Fourth Proportional to 74,763.45, 103,173.27 and 40,771.86

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Solution

The fourth proportional to 74,763.45, 103,173.27 and 40,771.86 is: 56,265.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,763.45 : 103,173.27 = 40,771.86 : x
  2. Step 2: Convert to fraction form
    74,763.45/103,173.27 = 40,771.86/x
  3. Step 3: Cross multiply
    74,763.45x = 103,173.27 × 40,771.86
  4. Step 4: Simplify right side
    74,763.45x = 4,206,566,120.18
  5. Step 5: Solve for x
    x = 4,206,566,120.18/74,763.45
  6. Step 6: Final answer
    x = 56,265.01

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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.