Home / 47,987.79-66,223.26-26,768.43

Finding the Fourth Proportional to 47,987.79, 66,223.26 and 26,768.43

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Solution

The fourth proportional to 47,987.79, 66,223.26 and 26,768.43 is: 36,940.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,987.79 : 66,223.26 = 26,768.43 : x
  2. Step 2: Convert to fraction form
    47,987.79/66,223.26 = 26,768.43/x
  3. Step 3: Cross multiply
    47,987.79x = 66,223.26 × 26,768.43
  4. Step 4: Simplify right side
    47,987.79x = 1,772,692,699.68
  5. Step 5: Solve for x
    x = 1,772,692,699.68/47,987.79
  6. Step 6: Final answer
    x = 36,940.49

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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.