Home / 50,719.86-69,990.35-30,583.26

Finding the Fourth Proportional to 50,719.86, 69,990.35 and 30,583.26

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Solution

The fourth proportional to 50,719.86, 69,990.35 and 30,583.26 is: 42,203.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,719.86 : 69,990.35 = 30,583.26 : x
  2. Step 2: Convert to fraction form
    50,719.86/69,990.35 = 30,583.26/x
  3. Step 3: Cross multiply
    50,719.86x = 69,990.35 × 30,583.26
  4. Step 4: Simplify right side
    50,719.86x = 2,140,532,918.62
  5. Step 5: Solve for x
    x = 2,140,532,918.62/50,719.86
  6. Step 6: Final answer
    x = 42,203.05

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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.