Home / 53,166.15-79,749.30-49,918.44

Finding the Fourth Proportional to 53,166.15, 79,749.30 and 49,918.44

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Solution

The fourth proportional to 53,166.15, 79,749.30 and 49,918.44 is: 74,877.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,166.15 : 79,749.30 = 49,918.44 : x
  2. Step 2: Convert to fraction form
    53,166.15/79,749.30 = 49,918.44/x
  3. Step 3: Cross multiply
    53,166.15x = 79,749.30 × 49,918.44
  4. Step 4: Simplify right side
    53,166.15x = 3,980,960,647.09
  5. Step 5: Solve for x
    x = 3,980,960,647.09/53,166.15
  6. Step 6: Final answer
    x = 74,877.73

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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.