Home / 98,080.27-147,210.62-76,035.31

Finding the Fourth Proportional to 98,080.27, 147,210.62 and 76,035.31

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Solution

The fourth proportional to 98,080.27, 147,210.62 and 76,035.31 is: 114,122.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,080.27 : 147,210.62 = 76,035.31 : x
  2. Step 2: Convert to fraction form
    98,080.27/147,210.62 = 76,035.31/x
  3. Step 3: Cross multiply
    98,080.27x = 147,210.62 × 76,035.31
  4. Step 4: Simplify right side
    98,080.27x = 11,193,204,378.79
  5. Step 5: Solve for x
    x = 11,193,204,378.79/98,080.27
  6. Step 6: Final answer
    x = 114,122.90

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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.