Home / 111,927.02-154,449.87-64,169.42

Finding the Fourth Proportional to 111,927.02, 154,449.87 and 64,169.42

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Solution

The fourth proportional to 111,927.02, 154,449.87 and 64,169.42 is: 88,548.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,927.02 : 154,449.87 = 64,169.42 : x
  2. Step 2: Convert to fraction form
    111,927.02/154,449.87 = 64,169.42/x
  3. Step 3: Cross multiply
    111,927.02x = 154,449.87 × 64,169.42
  4. Step 4: Simplify right side
    111,927.02x = 9,910,958,576.98
  5. Step 5: Solve for x
    x = 9,910,958,576.98/111,927.02
  6. Step 6: Final answer
    x = 88,548.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.