Home / 111,011.14-166,541.28-51,814.48

Finding the Fourth Proportional to 111,011.14, 166,541.28 and 51,814.48

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Solution

The fourth proportional to 111,011.14, 166,541.28 and 51,814.48 is: 77,733.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,011.14 : 166,541.28 = 51,814.48 : x
  2. Step 2: Convert to fraction form
    111,011.14/166,541.28 = 51,814.48/x
  3. Step 3: Cross multiply
    111,011.14x = 166,541.28 × 51,814.48
  4. Step 4: Simplify right side
    111,011.14x = 8,629,249,821.73
  5. Step 5: Solve for x
    x = 8,629,249,821.73/111,011.14
  6. Step 6: Final answer
    x = 77,733.19

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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.