Home / 83,821.72-115,677.66-46,097.32

Finding the Fourth Proportional to 83,821.72, 115,677.66 and 46,097.32

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Solution

The fourth proportional to 83,821.72, 115,677.66 and 46,097.32 is: 63,616.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,821.72 : 115,677.66 = 46,097.32 : x
  2. Step 2: Convert to fraction form
    83,821.72/115,677.66 = 46,097.32/x
  3. Step 3: Cross multiply
    83,821.72x = 115,677.66 × 46,097.32
  4. Step 4: Simplify right side
    83,821.72x = 5,332,430,109.87
  5. Step 5: Solve for x
    x = 5,332,430,109.87/83,821.72
  6. Step 6: Final answer
    x = 63,616.33

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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.