Home / 53,249.31-79,737.30-51,672.60

Finding the Fourth Proportional to 53,249.31, 79,737.30 and 51,672.60

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Solution

The fourth proportional to 53,249.31, 79,737.30 and 51,672.60 is: 77,376.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,249.31 : 79,737.30 = 51,672.60 : x
  2. Step 2: Convert to fraction form
    53,249.31/79,737.30 = 51,672.60/x
  3. Step 3: Cross multiply
    53,249.31x = 79,737.30 × 51,672.60
  4. Step 4: Simplify right side
    53,249.31x = 4,120,233,607.98
  5. Step 5: Solve for x
    x = 4,120,233,607.98/53,249.31
  6. Step 6: Final answer
    x = 77,376.28

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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.