Home / 107,718.48-148,672.94-62,406.54

Finding the Fourth Proportional to 107,718.48, 148,672.94 and 62,406.54

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Solution

The fourth proportional to 107,718.48, 148,672.94 and 62,406.54 is: 86,133.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,718.48 : 148,672.94 = 62,406.54 : x
  2. Step 2: Convert to fraction form
    107,718.48/148,672.94 = 62,406.54/x
  3. Step 3: Cross multiply
    107,718.48x = 148,672.94 × 62,406.54
  4. Step 4: Simplify right side
    107,718.48x = 9,278,163,464.99
  5. Step 5: Solve for x
    x = 9,278,163,464.99/107,718.48
  6. Step 6: Final answer
    x = 86,133.44

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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.