Home / 69,953.12-104,890.80-27,829.88

Finding the Fourth Proportional to 69,953.12, 104,890.80 and 27,829.88

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Solution

The fourth proportional to 69,953.12, 104,890.80 and 27,829.88 is: 41,729.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,953.12 : 104,890.80 = 27,829.88 : x
  2. Step 2: Convert to fraction form
    69,953.12/104,890.80 = 27,829.88/x
  3. Step 3: Cross multiply
    69,953.12x = 104,890.80 × 27,829.88
  4. Step 4: Simplify right side
    69,953.12x = 2,919,098,377.10
  5. Step 5: Solve for x
    x = 2,919,098,377.10/69,953.12
  6. Step 6: Final answer
    x = 41,729.35

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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.