Home / 111,008.16-166,577.85-40,936.68

Finding the Fourth Proportional to 111,008.16, 166,577.85 and 40,936.68

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Solution

The fourth proportional to 111,008.16, 166,577.85 and 40,936.68 is: 61,429.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,008.16 : 166,577.85 = 40,936.68 : x
  2. Step 2: Convert to fraction form
    111,008.16/166,577.85 = 40,936.68/x
  3. Step 3: Cross multiply
    111,008.16x = 166,577.85 × 40,936.68
  4. Step 4: Simplify right side
    111,008.16x = 6,819,144,140.54
  5. Step 5: Solve for x
    x = 6,819,144,140.54/111,008.16
  6. Step 6: Final answer
    x = 61,429.22

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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.