Home / 69,427.82-95,813.88-40,748.72

Finding the Fourth Proportional to 69,427.82, 95,813.88 and 40,748.72

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Solution

The fourth proportional to 69,427.82, 95,813.88 and 40,748.72 is: 56,235.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,427.82 : 95,813.88 = 40,748.72 : x
  2. Step 2: Convert to fraction form
    69,427.82/95,813.88 = 40,748.72/x
  3. Step 3: Cross multiply
    69,427.82x = 95,813.88 × 40,748.72
  4. Step 4: Simplify right side
    69,427.82x = 3,904,292,968.23
  5. Step 5: Solve for x
    x = 3,904,292,968.23/69,427.82
  6. Step 6: Final answer
    x = 56,235.28

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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.