Home / 77,771.10-116,689.38-46,241.37

Finding the Fourth Proportional to 77,771.10, 116,689.38 and 46,241.37

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Solution

The fourth proportional to 77,771.10, 116,689.38 and 46,241.37 is: 69,381.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,771.10 : 116,689.38 = 46,241.37 : x
  2. Step 2: Convert to fraction form
    77,771.10/116,689.38 = 46,241.37/x
  3. Step 3: Cross multiply
    77,771.10x = 116,689.38 × 46,241.37
  4. Step 4: Simplify right side
    77,771.10x = 5,395,876,795.65
  5. Step 5: Solve for x
    x = 5,395,876,795.65/77,771.10
  6. Step 6: Final answer
    x = 69,381.52

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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.