Home / 50,930.22-70,280.37-28,268.12

Finding the Fourth Proportional to 50,930.22, 70,280.37 and 28,268.12

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Solution

The fourth proportional to 50,930.22, 70,280.37 and 28,268.12 is: 39,008.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,930.22 : 70,280.37 = 28,268.12 : x
  2. Step 2: Convert to fraction form
    50,930.22/70,280.37 = 28,268.12/x
  3. Step 3: Cross multiply
    50,930.22x = 70,280.37 × 28,268.12
  4. Step 4: Simplify right side
    50,930.22x = 1,986,693,581.40
  5. Step 5: Solve for x
    x = 1,986,693,581.40/50,930.22
  6. Step 6: Final answer
    x = 39,008.15

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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.