Home / 98,452.14-147,678.21-54,359.25

Finding the Fourth Proportional to 98,452.14, 147,678.21 and 54,359.25

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Solution

The fourth proportional to 98,452.14, 147,678.21 and 54,359.25 is: 81,538.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,452.14 : 147,678.21 = 54,359.25 : x
  2. Step 2: Convert to fraction form
    98,452.14/147,678.21 = 54,359.25/x
  3. Step 3: Cross multiply
    98,452.14x = 147,678.21 × 54,359.25
  4. Step 4: Simplify right side
    98,452.14x = 8,027,676,736.94
  5. Step 5: Solve for x
    x = 8,027,676,736.94/98,452.14
  6. Step 6: Final answer
    x = 81,538.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.