Home / 107,717.63-161,507.03-51,556.38

Finding the Fourth Proportional to 107,717.63, 161,507.03 and 51,556.38

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Solution

The fourth proportional to 107,717.63, 161,507.03 and 51,556.38 is: 77,301.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,717.63 : 161,507.03 = 51,556.38 : x
  2. Step 2: Convert to fraction form
    107,717.63/161,507.03 = 51,556.38/x
  3. Step 3: Cross multiply
    107,717.63x = 161,507.03 × 51,556.38
  4. Step 4: Simplify right side
    107,717.63x = 8,326,717,940.24
  5. Step 5: Solve for x
    x = 8,326,717,940.24/107,717.63
  6. Step 6: Final answer
    x = 77,301.35

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1.5x scale

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.