Home / 83,781.36-115,615.34-46,055.34

Finding the Fourth Proportional to 83,781.36, 115,615.34 and 46,055.34

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Solution

The fourth proportional to 83,781.36, 115,615.34 and 46,055.34 is: 63,554.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,781.36 : 115,615.34 = 46,055.34 : x
  2. Step 2: Convert to fraction form
    83,781.36/115,615.34 = 46,055.34/x
  3. Step 3: Cross multiply
    83,781.36x = 115,615.34 × 46,055.34
  4. Step 4: Simplify right side
    83,781.36x = 5,324,703,792.92
  5. Step 5: Solve for x
    x = 5,324,703,792.92/83,781.36
  6. Step 6: Final answer
    x = 63,554.75

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1.5x scale

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.