Home / 106,363.51-146,781.67-57,965.45

Finding the Fourth Proportional to 106,363.51, 146,781.67 and 57,965.45

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Solution

The fourth proportional to 106,363.51, 146,781.67 and 57,965.45 is: 79,992.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,363.51 : 146,781.67 = 57,965.45 : x
  2. Step 2: Convert to fraction form
    106,363.51/146,781.67 = 57,965.45/x
  3. Step 3: Cross multiply
    106,363.51x = 146,781.67 × 57,965.45
  4. Step 4: Simplify right side
    106,363.51x = 8,508,265,775.34
  5. Step 5: Solve for x
    x = 8,508,265,775.34/106,363.51
  6. Step 6: Final answer
    x = 79,992.34

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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.