Home / 111,081.24-166,637.67-40,955.10

Finding the Fourth Proportional to 111,081.24, 166,637.67 and 40,955.10

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Solution

The fourth proportional to 111,081.24, 166,637.67 and 40,955.10 is: 61,438.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,081.24 : 166,637.67 = 40,955.10 : x
  2. Step 2: Convert to fraction form
    111,081.24/166,637.67 = 40,955.10/x
  3. Step 3: Cross multiply
    111,081.24x = 166,637.67 × 40,955.10
  4. Step 4: Simplify right side
    111,081.24x = 6,824,662,438.62
  5. Step 5: Solve for x
    x = 6,824,662,438.62/111,081.24
  6. Step 6: Final answer
    x = 61,438.48

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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.