Home / 98,885.14-148,349.72-54,489.04

Finding the Fourth Proportional to 98,885.14, 148,349.72 and 54,489.04

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Solution

The fourth proportional to 98,885.14, 148,349.72 and 54,489.04 is: 81,745.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,885.14 : 148,349.72 = 54,489.04 : x
  2. Step 2: Convert to fraction form
    98,885.14/148,349.72 = 54,489.04/x
  3. Step 3: Cross multiply
    98,885.14x = 148,349.72 × 54,489.04
  4. Step 4: Simplify right side
    98,885.14x = 8,083,433,827.07
  5. Step 5: Solve for x
    x = 8,083,433,827.07/98,885.14
  6. Step 6: Final answer
    x = 81,745.69

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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.