Home / 107,906.40-148,871.77-62,559.42

Finding the Fourth Proportional to 107,906.40, 148,871.77 and 62,559.42

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Solution

The fourth proportional to 107,906.40, 148,871.77 and 62,559.42 is: 86,309.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,906.40 : 148,871.77 = 62,559.42 : x
  2. Step 2: Convert to fraction form
    107,906.40/148,871.77 = 62,559.42/x
  3. Step 3: Cross multiply
    107,906.40x = 148,871.77 × 62,559.42
  4. Step 4: Simplify right side
    107,906.40x = 9,313,331,585.57
  5. Step 5: Solve for x
    x = 9,313,331,585.57/107,906.40
  6. Step 6: Final answer
    x = 86,309.35

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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.