Home / 98,504.58-147,760.14-31,945.26

Finding the Fourth Proportional to 98,504.58, 147,760.14 and 31,945.26

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Solution

The fourth proportional to 98,504.58, 147,760.14 and 31,945.26 is: 47,918.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,504.58 : 147,760.14 = 31,945.26 : x
  2. Step 2: Convert to fraction form
    98,504.58/147,760.14 = 31,945.26/x
  3. Step 3: Cross multiply
    98,504.58x = 147,760.14 × 31,945.26
  4. Step 4: Simplify right side
    98,504.58x = 4,720,236,089.94
  5. Step 5: Solve for x
    x = 4,720,236,089.94/98,504.58
  6. Step 6: Final answer
    x = 47,918.95

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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.