Home / 77,239.96-106,566.38-43,243.46

Finding the Fourth Proportional to 77,239.96, 106,566.38 and 43,243.46

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Solution

The fourth proportional to 77,239.96, 106,566.38 and 43,243.46 is: 59,662.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,239.96 : 106,566.38 = 43,243.46 : x
  2. Step 2: Convert to fraction form
    77,239.96/106,566.38 = 43,243.46/x
  3. Step 3: Cross multiply
    77,239.96x = 106,566.38 × 43,243.46
  4. Step 4: Simplify right side
    77,239.96x = 4,608,298,990.87
  5. Step 5: Solve for x
    x = 4,608,298,990.87/77,239.96
  6. Step 6: Final answer
    x = 59,662.11

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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.