Home / 73,429.32-110,147.22-73,325.64

Finding the Fourth Proportional to 73,429.32, 110,147.22 and 73,325.64

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Solution

The fourth proportional to 73,429.32, 110,147.22 and 73,325.64 is: 109,991.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,429.32 : 110,147.22 = 73,325.64 : x
  2. Step 2: Convert to fraction form
    73,429.32/110,147.22 = 73,325.64/x
  3. Step 3: Cross multiply
    73,429.32x = 110,147.22 × 73,325.64
  4. Step 4: Simplify right side
    73,429.32x = 8,076,615,400.72
  5. Step 5: Solve for x
    x = 8,076,615,400.72/73,429.32
  6. Step 6: Final answer
    x = 109,991.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.