Home / 83,910.92-115,795.24-45,669.51

Finding the Fourth Proportional to 83,910.92, 115,795.24 and 45,669.51

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Solution

The fourth proportional to 83,910.92, 115,795.24 and 45,669.51 is: 63,022.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,910.92 : 115,795.24 = 45,669.51 : x
  2. Step 2: Convert to fraction form
    83,910.92/115,795.24 = 45,669.51/x
  3. Step 3: Cross multiply
    83,910.92x = 115,795.24 × 45,669.51
  4. Step 4: Simplify right side
    83,910.92x = 5,288,312,567.72
  5. Step 5: Solve for x
    x = 5,288,312,567.72/83,910.92
  6. Step 6: Final answer
    x = 63,022.94

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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.