Home / 96,383.78-133,023.58-55,539.96

Finding the Fourth Proportional to 96,383.78, 133,023.58 and 55,539.96

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Solution

The fourth proportional to 96,383.78, 133,023.58 and 55,539.96 is: 76,653.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,383.78 : 133,023.58 = 55,539.96 : x
  2. Step 2: Convert to fraction form
    96,383.78/133,023.58 = 55,539.96/x
  3. Step 3: Cross multiply
    96,383.78x = 133,023.58 × 55,539.96
  4. Step 4: Simplify right side
    96,383.78x = 7,388,124,312.26
  5. Step 5: Solve for x
    x = 7,388,124,312.26/96,383.78
  6. Step 6: Final answer
    x = 76,653.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.