Home / 96,657.20-145,002-30,081.68

Finding the Fourth Proportional to 96,657.20, 145,002 and 30,081.68

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Solution

The fourth proportional to 96,657.20, 145,002 and 30,081.68 is: 45,127.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,657.20 : 145,002 = 30,081.68 : x
  2. Step 2: Convert to fraction form
    96,657.20/145,002 = 30,081.68/x
  3. Step 3: Cross multiply
    96,657.20x = 145,002 × 30,081.68
  4. Step 4: Simplify right side
    96,657.20x = 4,361,903,763.36
  5. Step 5: Solve for x
    x = 4,361,903,763.36/96,657.20
  6. Step 6: Final answer
    x = 45,127.56

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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.