Home / 107,494.29-161,311.66-40,935.06

Finding the Fourth Proportional to 107,494.29, 161,311.66 and 40,935.06

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Solution

The fourth proportional to 107,494.29, 161,311.66 and 40,935.06 is: 61,429.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,494.29 : 161,311.66 = 40,935.06 : x
  2. Step 2: Convert to fraction form
    107,494.29/161,311.66 = 40,935.06/x
  3. Step 3: Cross multiply
    107,494.29x = 161,311.66 × 40,935.06
  4. Step 4: Simplify right side
    107,494.29x = 6,603,302,378.46
  5. Step 5: Solve for x
    x = 6,603,302,378.46/107,494.29
  6. Step 6: Final answer
    x = 61,429.33

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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.