Home / 107,814.94-148,786.24-61,882.18

Finding the Fourth Proportional to 107,814.94, 148,786.24 and 61,882.18

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Solution

The fourth proportional to 107,814.94, 148,786.24 and 61,882.18 is: 85,398.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,814.94 : 148,786.24 = 61,882.18 : x
  2. Step 2: Convert to fraction form
    107,814.94/148,786.24 = 61,882.18/x
  3. Step 3: Cross multiply
    107,814.94x = 148,786.24 × 61,882.18
  4. Step 4: Simplify right side
    107,814.94x = 9,207,215,986.57
  5. Step 5: Solve for x
    x = 9,207,215,986.57/107,814.94
  6. Step 6: Final answer
    x = 85,398.34

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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.