Home / 98,536.68-147,826.62-31,983.48

Finding the Fourth Proportional to 98,536.68, 147,826.62 and 31,983.48

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Solution

The fourth proportional to 98,536.68, 147,826.62 and 31,983.48 is: 47,982.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,536.68 : 147,826.62 = 31,983.48 : x
  2. Step 2: Convert to fraction form
    98,536.68/147,826.62 = 31,983.48/x
  3. Step 3: Cross multiply
    98,536.68x = 147,826.62 × 31,983.48
  4. Step 4: Simplify right side
    98,536.68x = 4,728,009,744.24
  5. Step 5: Solve for x
    x = 4,728,009,744.24/98,536.68
  6. Step 6: Final answer
    x = 47,982.23

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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.