Home / 107,815.88-148,786.93-59,419.58

Finding the Fourth Proportional to 107,815.88, 148,786.93 and 59,419.58

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Solution

The fourth proportional to 107,815.88, 148,786.93 and 59,419.58 is: 81,999.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,815.88 : 148,786.93 = 59,419.58 : x
  2. Step 2: Convert to fraction form
    107,815.88/148,786.93 = 59,419.58/x
  3. Step 3: Cross multiply
    107,815.88x = 148,786.93 × 59,419.58
  4. Step 4: Simplify right side
    107,815.88x = 8,840,855,849.06
  5. Step 5: Solve for x
    x = 8,840,855,849.06/107,815.88
  6. Step 6: Final answer
    x = 81,999.57

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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.