Home / 98,448.62-147,751.76-51,077.30

Finding the Fourth Proportional to 98,448.62, 147,751.76 and 51,077.30

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Solution

The fourth proportional to 98,448.62, 147,751.76 and 51,077.30 is: 76,656.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,448.62 : 147,751.76 = 51,077.30 : x
  2. Step 2: Convert to fraction form
    98,448.62/147,751.76 = 51,077.30/x
  3. Step 3: Cross multiply
    98,448.62x = 147,751.76 × 51,077.30
  4. Step 4: Simplify right side
    98,448.62x = 7,546,760,359.98
  5. Step 5: Solve for x
    x = 7,546,760,359.98/98,448.62
  6. Step 6: Final answer
    x = 76,656.85

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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.