Home / 107,986.14-149,021.10-60,238.26

Finding the Fourth Proportional to 107,986.14, 149,021.10 and 60,238.26

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Solution

The fourth proportional to 107,986.14, 149,021.10 and 60,238.26 is: 83,128.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,986.14 : 149,021.10 = 60,238.26 : x
  2. Step 2: Convert to fraction form
    107,986.14/149,021.10 = 60,238.26/x
  3. Step 3: Cross multiply
    107,986.14x = 149,021.10 × 60,238.26
  4. Step 4: Simplify right side
    107,986.14x = 8,976,771,767.29
  5. Step 5: Solve for x
    x = 8,976,771,767.29/107,986.14
  6. Step 6: Final answer
    x = 83,128.93

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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.