Home / 107,982.37-148,918.53-67,700.26

Finding the Fourth Proportional to 107,982.37, 148,918.53 and 67,700.26

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Solution

The fourth proportional to 107,982.37, 148,918.53 and 67,700.26 is: 93,365.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,982.37 : 148,918.53 = 67,700.26 : x
  2. Step 2: Convert to fraction form
    107,982.37/148,918.53 = 67,700.26/x
  3. Step 3: Cross multiply
    107,982.37x = 148,918.53 × 67,700.26
  4. Step 4: Simplify right side
    107,982.37x = 10,081,823,199.82
  5. Step 5: Solve for x
    x = 10,081,823,199.82/107,982.37
  6. Step 6: Final answer
    x = 93,365.46

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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.