Home / 82,786.43-124,164.93-35,428.16

Finding the Fourth Proportional to 82,786.43, 124,164.93 and 35,428.16

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Solution

The fourth proportional to 82,786.43, 124,164.93 and 35,428.16 is: 53,135.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,786.43 : 124,164.93 = 35,428.16 : x
  2. Step 2: Convert to fraction form
    82,786.43/124,164.93 = 35,428.16/x
  3. Step 3: Cross multiply
    82,786.43x = 124,164.93 × 35,428.16
  4. Step 4: Simplify right side
    82,786.43x = 4,398,935,006.43
  5. Step 5: Solve for x
    x = 4,398,935,006.43/82,786.43
  6. Step 6: Final answer
    x = 53,135.94

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.