Home / 56,996.18-78,654.30-31,504.26

Finding the Fourth Proportional to 56,996.18, 78,654.30 and 31,504.26

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Solution

The fourth proportional to 56,996.18, 78,654.30 and 31,504.26 is: 43,475.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,996.18 : 78,654.30 = 31,504.26 : x
  2. Step 2: Convert to fraction form
    56,996.18/78,654.30 = 31,504.26/x
  3. Step 3: Cross multiply
    56,996.18x = 78,654.30 × 31,504.26
  4. Step 4: Simplify right side
    56,996.18x = 2,477,945,517.32
  5. Step 5: Solve for x
    x = 2,477,945,517.32/56,996.18
  6. Step 6: Final answer
    x = 43,475.64

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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.