Home / 72,839.36-109,281.72-26,092.64

Finding the Fourth Proportional to 72,839.36, 109,281.72 and 26,092.64

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Solution

The fourth proportional to 72,839.36, 109,281.72 and 26,092.64 is: 39,147.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,839.36 : 109,281.72 = 26,092.64 : x
  2. Step 2: Convert to fraction form
    72,839.36/109,281.72 = 26,092.64/x
  3. Step 3: Cross multiply
    72,839.36x = 109,281.72 × 26,092.64
  4. Step 4: Simplify right side
    72,839.36x = 2,851,448,578.54
  5. Step 5: Solve for x
    x = 2,851,448,578.54/72,839.36
  6. Step 6: Final answer
    x = 39,147.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.