Home / 98,768.22-148,185.59-31,311.27

Finding the Fourth Proportional to 98,768.22, 148,185.59 and 31,311.27

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Solution

The fourth proportional to 98,768.22, 148,185.59 and 31,311.27 is: 46,977.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,768.22 : 148,185.59 = 31,311.27 : x
  2. Step 2: Convert to fraction form
    98,768.22/148,185.59 = 31,311.27/x
  3. Step 3: Cross multiply
    98,768.22x = 148,185.59 × 31,311.27
  4. Step 4: Simplify right side
    98,768.22x = 4,639,878,862.04
  5. Step 5: Solve for x
    x = 4,639,878,862.04/98,768.22
  6. Step 6: Final answer
    x = 46,977.45

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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.