Home / 82,837.40-124,260.20-23,681.79

Finding the Fourth Proportional to 82,837.40, 124,260.20 and 23,681.79

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Solution

The fourth proportional to 82,837.40, 124,260.20 and 23,681.79 is: 35,523.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,837.40 : 124,260.20 = 23,681.79 : x
  2. Step 2: Convert to fraction form
    82,837.40/124,260.20 = 23,681.79/x
  3. Step 3: Cross multiply
    82,837.40x = 124,260.20 × 23,681.79
  4. Step 4: Simplify right side
    82,837.40x = 2,942,703,843.35
  5. Step 5: Solve for x
    x = 2,942,703,843.35/82,837.40
  6. Step 6: Final answer
    x = 35,523.86

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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.