Home / 96,811.48-145,243.14-87,558.04

Finding the Fourth Proportional to 96,811.48, 145,243.14 and 87,558.04

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Solution

The fourth proportional to 96,811.48, 145,243.14 and 87,558.04 is: 131,360.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,811.48 : 145,243.14 = 87,558.04 : x
  2. Step 2: Convert to fraction form
    96,811.48/145,243.14 = 87,558.04/x
  3. Step 3: Cross multiply
    96,811.48x = 145,243.14 × 87,558.04
  4. Step 4: Simplify right side
    96,811.48x = 12,717,204,661.85
  5. Step 5: Solve for x
    x = 12,717,204,661.85/96,811.48
  6. Step 6: Final answer
    x = 131,360.50

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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.