Home / 106,421.78-159,632.67-36,301.70

Finding the Fourth Proportional to 106,421.78, 159,632.67 and 36,301.70

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Solution

The fourth proportional to 106,421.78, 159,632.67 and 36,301.70 is: 54,452.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,421.78 : 159,632.67 = 36,301.70 : x
  2. Step 2: Convert to fraction form
    106,421.78/159,632.67 = 36,301.70/x
  3. Step 3: Cross multiply
    106,421.78x = 159,632.67 × 36,301.70
  4. Step 4: Simplify right side
    106,421.78x = 5,794,937,296.54
  5. Step 5: Solve for x
    x = 5,794,937,296.54/106,421.78
  6. Step 6: Final answer
    x = 54,452.55

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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.