Home / 98,829.44-136,386.24-54,114.56

Finding the Fourth Proportional to 98,829.44, 136,386.24 and 54,114.56

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Solution

The fourth proportional to 98,829.44, 136,386.24 and 54,114.56 is: 74,678.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,829.44 : 136,386.24 = 54,114.56 : x
  2. Step 2: Convert to fraction form
    98,829.44/136,386.24 = 54,114.56/x
  3. Step 3: Cross multiply
    98,829.44x = 136,386.24 × 54,114.56
  4. Step 4: Simplify right side
    98,829.44x = 7,380,481,367.65
  5. Step 5: Solve for x
    x = 7,380,481,367.65/98,829.44
  6. Step 6: Final answer
    x = 74,678.98

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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.