Home / 77,541.41-106,999.14-43,553.60

Finding the Fourth Proportional to 77,541.41, 106,999.14 and 43,553.60

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Solution

The fourth proportional to 77,541.41, 106,999.14 and 43,553.60 is: 60,099.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,541.41 : 106,999.14 = 43,553.60 : x
  2. Step 2: Convert to fraction form
    77,541.41/106,999.14 = 43,553.60/x
  3. Step 3: Cross multiply
    77,541.41x = 106,999.14 × 43,553.60
  4. Step 4: Simplify right side
    77,541.41x = 4,660,197,743.90
  5. Step 5: Solve for x
    x = 4,660,197,743.90/77,541.41
  6. Step 6: Final answer
    x = 60,099.47

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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.