Home / 98,786.08-136,324.96-53,464.11

Finding the Fourth Proportional to 98,786.08, 136,324.96 and 53,464.11

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Solution

The fourth proportional to 98,786.08, 136,324.96 and 53,464.11 is: 73,780.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,786.08 : 136,324.96 = 53,464.11 : x
  2. Step 2: Convert to fraction form
    98,786.08/136,324.96 = 53,464.11/x
  3. Step 3: Cross multiply
    98,786.08x = 136,324.96 × 53,464.11
  4. Step 4: Simplify right side
    98,786.08x = 7,288,492,389.87
  5. Step 5: Solve for x
    x = 7,288,492,389.87/98,786.08
  6. Step 6: Final answer
    x = 73,780.56

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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.