Home / 106,291.68-146,676.96-66,004.57

Finding the Fourth Proportional to 106,291.68, 146,676.96 and 66,004.57

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Solution

The fourth proportional to 106,291.68, 146,676.96 and 66,004.57 is: 91,082.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,291.68 : 146,676.96 = 66,004.57 : x
  2. Step 2: Convert to fraction form
    106,291.68/146,676.96 = 66,004.57/x
  3. Step 3: Cross multiply
    106,291.68x = 146,676.96 × 66,004.57
  4. Step 4: Simplify right side
    106,291.68x = 9,681,349,673.71
  5. Step 5: Solve for x
    x = 9,681,349,673.71/106,291.68
  6. Step 6: Final answer
    x = 91,082.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.