Home / 73,980.54-111,007.26-34,531.92

Finding the Fourth Proportional to 73,980.54, 111,007.26 and 34,531.92

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Solution

The fourth proportional to 73,980.54, 111,007.26 and 34,531.92 is: 51,814.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,980.54 : 111,007.26 = 34,531.92 : x
  2. Step 2: Convert to fraction form
    73,980.54/111,007.26 = 34,531.92/x
  3. Step 3: Cross multiply
    73,980.54x = 111,007.26 × 34,531.92
  4. Step 4: Simplify right side
    73,980.54x = 3,833,293,821.74
  5. Step 5: Solve for x
    x = 3,833,293,821.74/73,980.54
  6. Step 6: Final answer
    x = 51,814.89

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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.