Home / 96,976.96-145,154.30-51,885.52

Finding the Fourth Proportional to 96,976.96, 145,154.30 and 51,885.52

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Solution

The fourth proportional to 96,976.96, 145,154.30 and 51,885.52 is: 77,661.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,976.96 : 145,154.30 = 51,885.52 : x
  2. Step 2: Convert to fraction form
    96,976.96/145,154.30 = 51,885.52/x
  3. Step 3: Cross multiply
    96,976.96x = 145,154.30 × 51,885.52
  4. Step 4: Simplify right side
    96,976.96x = 7,531,405,907.99
  5. Step 5: Solve for x
    x = 7,531,405,907.99/96,976.96
  6. Step 6: Final answer
    x = 77,661.81

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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.