Home / 98,834.88-136,389.61-55,227.79

Finding the Fourth Proportional to 98,834.88, 136,389.61 and 55,227.79

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Solution

The fourth proportional to 98,834.88, 136,389.61 and 55,227.79 is: 76,212.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,834.88 : 136,389.61 = 55,227.79 : x
  2. Step 2: Convert to fraction form
    98,834.88/136,389.61 = 55,227.79/x
  3. Step 3: Cross multiply
    98,834.88x = 136,389.61 × 55,227.79
  4. Step 4: Simplify right side
    98,834.88x = 7,532,496,739.26
  5. Step 5: Solve for x
    x = 7,532,496,739.26/98,834.88
  6. Step 6: Final answer
    x = 76,212.94

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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.