Home / 107,408.80-148,221.93-59,661.10

Finding the Fourth Proportional to 107,408.80, 148,221.93 and 59,661.10

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Solution

The fourth proportional to 107,408.80, 148,221.93 and 59,661.10 is: 82,331.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,408.80 : 148,221.93 = 59,661.10 : x
  2. Step 2: Convert to fraction form
    107,408.80/148,221.93 = 59,661.10/x
  3. Step 3: Cross multiply
    107,408.80x = 148,221.93 × 59,661.10
  4. Step 4: Simplify right side
    107,408.80x = 8,843,083,387.92
  5. Step 5: Solve for x
    x = 8,843,083,387.92/107,408.80
  6. Step 6: Final answer
    x = 82,331.09

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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.