Home / 66,627.44-91,948.20-43,986.32

Finding the Fourth Proportional to 66,627.44, 91,948.20 and 43,986.32

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Solution

The fourth proportional to 66,627.44, 91,948.20 and 43,986.32 is: 60,702.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,627.44 : 91,948.20 = 43,986.32 : x
  2. Step 2: Convert to fraction form
    66,627.44/91,948.20 = 43,986.32/x
  3. Step 3: Cross multiply
    66,627.44x = 91,948.20 × 43,986.32
  4. Step 4: Simplify right side
    66,627.44x = 4,044,462,948.62
  5. Step 5: Solve for x
    x = 4,044,462,948.62/66,627.44
  6. Step 6: Final answer
    x = 60,702.66

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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.