Home / 96,449.92-133,099.45-53,429.28

Finding the Fourth Proportional to 96,449.92, 133,099.45 and 53,429.28

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Solution

The fourth proportional to 96,449.92, 133,099.45 and 53,429.28 is: 73,731.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,449.92 : 133,099.45 = 53,429.28 : x
  2. Step 2: Convert to fraction form
    96,449.92/133,099.45 = 53,429.28/x
  3. Step 3: Cross multiply
    96,449.92x = 133,099.45 × 53,429.28
  4. Step 4: Simplify right side
    96,449.92x = 7,111,407,848.68
  5. Step 5: Solve for x
    x = 7,111,407,848.68/96,449.92
  6. Step 6: Final answer
    x = 73,731.61

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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.