Home / 77,055.73-106,336.55-43,064.18

Finding the Fourth Proportional to 77,055.73, 106,336.55 and 43,064.18

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Solution

The fourth proportional to 77,055.73, 106,336.55 and 43,064.18 is: 59,428.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,055.73 : 106,336.55 = 43,064.18 : x
  2. Step 2: Convert to fraction form
    77,055.73/106,336.55 = 43,064.18/x
  3. Step 3: Cross multiply
    77,055.73x = 106,336.55 × 43,064.18
  4. Step 4: Simplify right side
    77,055.73x = 4,579,296,660.43
  5. Step 5: Solve for x
    x = 4,579,296,660.43/77,055.73
  6. Step 6: Final answer
    x = 59,428.37

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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.