Home / 96,443.20-144,621.60-43,825.60

Finding the Fourth Proportional to 96,443.20, 144,621.60 and 43,825.60

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Solution

The fourth proportional to 96,443.20, 144,621.60 and 43,825.60 is: 65,718.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,443.20 : 144,621.60 = 43,825.60 : x
  2. Step 2: Convert to fraction form
    96,443.20/144,621.60 = 43,825.60/x
  3. Step 3: Cross multiply
    96,443.20x = 144,621.60 × 43,825.60
  4. Step 4: Simplify right side
    96,443.20x = 6,338,128,392.96
  5. Step 5: Solve for x
    x = 6,338,128,392.96/96,443.20
  6. Step 6: Final answer
    x = 65,718.77

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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.