Home / 111,139.08-166,704.84-51,893.52

Finding the Fourth Proportional to 111,139.08, 166,704.84 and 51,893.52

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Solution

The fourth proportional to 111,139.08, 166,704.84 and 51,893.52 is: 77,838.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,139.08 : 166,704.84 = 51,893.52 : x
  2. Step 2: Convert to fraction form
    111,139.08/166,704.84 = 51,893.52/x
  3. Step 3: Cross multiply
    111,139.08x = 166,704.84 × 51,893.52
  4. Step 4: Simplify right side
    111,139.08x = 8,650,900,948.64
  5. Step 5: Solve for x
    x = 8,650,900,948.64/111,139.08
  6. Step 6: Final answer
    x = 77,838.52

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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.