Home / 73,121.32-100,900.24-41,284.07

Finding the Fourth Proportional to 73,121.32, 100,900.24 and 41,284.07

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Solution

The fourth proportional to 73,121.32, 100,900.24 and 41,284.07 is: 56,967.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,121.32 : 100,900.24 = 41,284.07 : x
  2. Step 2: Convert to fraction form
    73,121.32/100,900.24 = 41,284.07/x
  3. Step 3: Cross multiply
    73,121.32x = 100,900.24 × 41,284.07
  4. Step 4: Simplify right side
    73,121.32x = 4,165,572,571.18
  5. Step 5: Solve for x
    x = 4,165,572,571.18/73,121.32
  6. Step 6: Final answer
    x = 56,967.96

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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.