Home / 50,076.08-69,109.80-27,720.08

Finding the Fourth Proportional to 50,076.08, 69,109.80 and 27,720.08

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Solution

The fourth proportional to 50,076.08, 69,109.80 and 27,720.08 is: 38,256.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,076.08 : 69,109.80 = 27,720.08 : x
  2. Step 2: Convert to fraction form
    50,076.08/69,109.80 = 27,720.08/x
  3. Step 3: Cross multiply
    50,076.08x = 69,109.80 × 27,720.08
  4. Step 4: Simplify right side
    50,076.08x = 1,915,729,184.78
  5. Step 5: Solve for x
    x = 1,915,729,184.78/50,076.08
  6. Step 6: Final answer
    x = 38,256.37

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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.