Home / 83,106.48-115,461.14-82,110.03

Finding the Fourth Proportional to 83,106.48, 115,461.14 and 82,110.03

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Solution

The fourth proportional to 83,106.48, 115,461.14 and 82,110.03 is: 114,076.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,106.48 : 115,461.14 = 82,110.03 : x
  2. Step 2: Convert to fraction form
    83,106.48/115,461.14 = 82,110.03/x
  3. Step 3: Cross multiply
    83,106.48x = 115,461.14 × 82,110.03
  4. Step 4: Simplify right side
    83,106.48x = 9,480,517,669.23
  5. Step 5: Solve for x
    x = 9,480,517,669.23/83,106.48
  6. Step 6: Final answer
    x = 114,076.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.