Home / 77,302.10-115,777.11-46,072.82

Finding the Fourth Proportional to 77,302.10, 115,777.11 and 46,072.82

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Solution

The fourth proportional to 77,302.10, 115,777.11 and 46,072.82 is: 69,004.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,302.10 : 115,777.11 = 46,072.82 : x
  2. Step 2: Convert to fraction form
    77,302.10/115,777.11 = 46,072.82/x
  3. Step 3: Cross multiply
    77,302.10x = 115,777.11 × 46,072.82
  4. Step 4: Simplify right side
    77,302.10x = 5,334,177,949.15
  5. Step 5: Solve for x
    x = 5,334,177,949.15/77,302.10
  6. Step 6: Final answer
    x = 69,004.31

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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.