Home / 97,730.14-146,603.43-31,179.73

Finding the Fourth Proportional to 97,730.14, 146,603.43 and 31,179.73

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Solution

The fourth proportional to 97,730.14, 146,603.43 and 31,179.73 is: 46,772.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,730.14 : 146,603.43 = 31,179.73 : x
  2. Step 2: Convert to fraction form
    97,730.14/146,603.43 = 31,179.73/x
  3. Step 3: Cross multiply
    97,730.14x = 146,603.43 × 31,179.73
  4. Step 4: Simplify right side
    97,730.14x = 4,571,055,364.47
  5. Step 5: Solve for x
    x = 4,571,055,364.47/97,730.14
  6. Step 6: Final answer
    x = 46,772.22

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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.