Home / 47,878.31-66,072.06-26,662.58

Finding the Fourth Proportional to 47,878.31, 66,072.06 and 26,662.58

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Solution

The fourth proportional to 47,878.31, 66,072.06 and 26,662.58 is: 36,794.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,878.31 : 66,072.06 = 26,662.58 : x
  2. Step 2: Convert to fraction form
    47,878.31/66,072.06 = 26,662.58/x
  3. Step 3: Cross multiply
    47,878.31x = 66,072.06 × 26,662.58
  4. Step 4: Simplify right side
    47,878.31x = 1,761,651,585.51
  5. Step 5: Solve for x
    x = 1,761,651,585.51/47,878.31
  6. Step 6: Final answer
    x = 36,794.36

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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.