Home / 97,974.38-146,946.99-31,407.59

Finding the Fourth Proportional to 97,974.38, 146,946.99 and 31,407.59

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Solution

The fourth proportional to 97,974.38, 146,946.99 and 31,407.59 is: 47,106.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,974.38 : 146,946.99 = 31,407.59 : x
  2. Step 2: Convert to fraction form
    97,974.38/146,946.99 = 31,407.59/x
  3. Step 3: Cross multiply
    97,974.38x = 146,946.99 × 31,407.59
  4. Step 4: Simplify right side
    97,974.38x = 4,615,250,813.65
  5. Step 5: Solve for x
    x = 4,615,250,813.65/97,974.38
  6. Step 6: Final answer
    x = 47,106.71

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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.