Home / 98,579.55-147,996.44-84,629.22

Finding the Fourth Proportional to 98,579.55, 147,996.44 and 84,629.22

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Solution

The fourth proportional to 98,579.55, 147,996.44 and 84,629.22 is: 127,052.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,579.55 : 147,996.44 = 84,629.22 : x
  2. Step 2: Convert to fraction form
    98,579.55/147,996.44 = 84,629.22/x
  3. Step 3: Cross multiply
    98,579.55x = 147,996.44 × 84,629.22
  4. Step 4: Simplify right side
    98,579.55x = 12,524,822,856.83
  5. Step 5: Solve for x
    x = 12,524,822,856.83/98,579.55
  6. Step 6: Final answer
    x = 127,052.95

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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.