Home / 96,740.49-133,497.39-53,722.72

Finding the Fourth Proportional to 96,740.49, 133,497.39 and 53,722.72

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Solution

The fourth proportional to 96,740.49, 133,497.39 and 53,722.72 is: 74,134.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,740.49 : 133,497.39 = 53,722.72 : x
  2. Step 2: Convert to fraction form
    96,740.49/133,497.39 = 53,722.72/x
  3. Step 3: Cross multiply
    96,740.49x = 133,497.39 × 53,722.72
  4. Step 4: Simplify right side
    96,740.49x = 7,171,842,365.58
  5. Step 5: Solve for x
    x = 7,171,842,365.58/96,740.49
  6. Step 6: Final answer
    x = 74,134.85

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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.