Home / 50,476.20-69,660-28,673.16

Finding the Fourth Proportional to 50,476.20, 69,660 and 28,673.16

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Solution

The fourth proportional to 50,476.20, 69,660 and 28,673.16 is: 39,570.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,476.20 : 69,660 = 28,673.16 : x
  2. Step 2: Convert to fraction form
    50,476.20/69,660 = 28,673.16/x
  3. Step 3: Cross multiply
    50,476.20x = 69,660 × 28,673.16
  4. Step 4: Simplify right side
    50,476.20x = 1,997,372,325.60
  5. Step 5: Solve for x
    x = 1,997,372,325.60/50,476.20
  6. Step 6: Final answer
    x = 39,570.58

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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.