Home / 115,920.51-173,942.32-45,800.43

Finding the Fourth Proportional to 115,920.51, 173,942.32 and 45,800.43

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Solution

The fourth proportional to 115,920.51, 173,942.32 and 45,800.43 is: 68,724.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,920.51 : 173,942.32 = 45,800.43 : x
  2. Step 2: Convert to fraction form
    115,920.51/173,942.32 = 45,800.43/x
  3. Step 3: Cross multiply
    115,920.51x = 173,942.32 × 45,800.43
  4. Step 4: Simplify right side
    115,920.51x = 7,966,633,051.20
  5. Step 5: Solve for x
    x = 7,966,633,051.20/115,920.51
  6. Step 6: Final answer
    x = 68,724.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.