Home / 99,076.56-136,725.12-53,755.44

Finding the Fourth Proportional to 99,076.56, 136,725.12 and 53,755.44

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Solution

The fourth proportional to 99,076.56, 136,725.12 and 53,755.44 is: 74,182.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,076.56 : 136,725.12 = 53,755.44 : x
  2. Step 2: Convert to fraction form
    99,076.56/136,725.12 = 53,755.44/x
  3. Step 3: Cross multiply
    99,076.56x = 136,725.12 × 53,755.44
  4. Step 4: Simplify right side
    99,076.56x = 7,349,718,984.65
  5. Step 5: Solve for x
    x = 7,349,718,984.65/99,076.56
  6. Step 6: Final answer
    x = 74,182.22

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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.