Home / 97,665.14-146,496.20-31,104.71

Finding the Fourth Proportional to 97,665.14, 146,496.20 and 31,104.71

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Solution

The fourth proportional to 97,665.14, 146,496.20 and 31,104.71 is: 46,656.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,665.14 : 146,496.20 = 31,104.71 : x
  2. Step 2: Convert to fraction form
    97,665.14/146,496.20 = 31,104.71/x
  3. Step 3: Cross multiply
    97,665.14x = 146,496.20 × 31,104.71
  4. Step 4: Simplify right side
    97,665.14x = 4,556,721,478.46
  5. Step 5: Solve for x
    x = 4,556,721,478.46/97,665.14
  6. Step 6: Final answer
    x = 46,656.58

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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.