Home / 111,284.08-166,855.86-61,398.96

Finding the Fourth Proportional to 111,284.08, 166,855.86 and 61,398.96

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Solution

The fourth proportional to 111,284.08, 166,855.86 and 61,398.96 is: 92,059.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,284.08 : 166,855.86 = 61,398.96 : x
  2. Step 2: Convert to fraction form
    111,284.08/166,855.86 = 61,398.96/x
  3. Step 3: Cross multiply
    111,284.08x = 166,855.86 × 61,398.96
  4. Step 4: Simplify right side
    111,284.08x = 10,244,776,273.91
  5. Step 5: Solve for x
    x = 10,244,776,273.91/111,284.08
  6. Step 6: Final answer
    x = 92,059.68

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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.