Home / 111,457.23-166,900.38-61,481.76

Finding the Fourth Proportional to 111,457.23, 166,900.38 and 61,481.76

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Solution

The fourth proportional to 111,457.23, 166,900.38 and 61,481.76 is: 92,065.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,457.23 : 166,900.38 = 61,481.76 : x
  2. Step 2: Convert to fraction form
    111,457.23/166,900.38 = 61,481.76/x
  3. Step 3: Cross multiply
    111,457.23x = 166,900.38 × 61,481.76
  4. Step 4: Simplify right side
    111,457.23x = 10,261,329,107.07
  5. Step 5: Solve for x
    x = 10,261,329,107.07/111,457.23
  6. Step 6: Final answer
    x = 92,065.17

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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.