Home / 73,914.63-102,002.27-40,380.63

Finding the Fourth Proportional to 73,914.63, 102,002.27 and 40,380.63

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Solution

The fourth proportional to 73,914.63, 102,002.27 and 40,380.63 is: 55,725.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,914.63 : 102,002.27 = 40,380.63 : x
  2. Step 2: Convert to fraction form
    73,914.63/102,002.27 = 40,380.63/x
  3. Step 3: Cross multiply
    73,914.63x = 102,002.27 × 40,380.63
  4. Step 4: Simplify right side
    73,914.63x = 4,118,915,722.13
  5. Step 5: Solve for x
    x = 4,118,915,722.13/73,914.63
  6. Step 6: Final answer
    x = 55,725.31

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1.5x scale

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.