Home / 107,926.16-148,956.18-65,512.96

Finding the Fourth Proportional to 107,926.16, 148,956.18 and 65,512.96

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Solution

The fourth proportional to 107,926.16, 148,956.18 and 65,512.96 is: 90,418.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,926.16 : 148,956.18 = 65,512.96 : x
  2. Step 2: Convert to fraction form
    107,926.16/148,956.18 = 65,512.96/x
  3. Step 3: Cross multiply
    107,926.16x = 148,956.18 × 65,512.96
  4. Step 4: Simplify right side
    107,926.16x = 9,758,560,262.09
  5. Step 5: Solve for x
    x = 9,758,560,262.09/107,926.16
  6. Step 6: Final answer
    x = 90,418.86

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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.