Home / 69,709.18-96,198.82-37,878.12

Finding the Fourth Proportional to 69,709.18, 96,198.82 and 37,878.12

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Solution

The fourth proportional to 69,709.18, 96,198.82 and 37,878.12 is: 52,271.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,709.18 : 96,198.82 = 37,878.12 : x
  2. Step 2: Convert to fraction form
    69,709.18/96,198.82 = 37,878.12/x
  3. Step 3: Cross multiply
    69,709.18x = 96,198.82 × 37,878.12
  4. Step 4: Simplify right side
    69,709.18x = 3,643,830,447.82
  5. Step 5: Solve for x
    x = 3,643,830,447.82/69,709.18
  6. Step 6: Final answer
    x = 52,271.89

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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.