Home / 98,741.08-136,262.13-53,418.94

Finding the Fourth Proportional to 98,741.08, 136,262.13 and 53,418.94

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Solution

The fourth proportional to 98,741.08, 136,262.13 and 53,418.94 is: 73,717.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,741.08 : 136,262.13 = 53,418.94 : x
  2. Step 2: Convert to fraction form
    98,741.08/136,262.13 = 53,418.94/x
  3. Step 3: Cross multiply
    98,741.08x = 136,262.13 × 53,418.94
  4. Step 4: Simplify right side
    98,741.08x = 7,278,978,546.74
  5. Step 5: Solve for x
    x = 7,278,978,546.74/98,741.08
  6. Step 6: Final answer
    x = 73,717.83

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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.