Home / 77,186.88-106,537.92-43,672.32

Finding the Fourth Proportional to 77,186.88, 106,537.92 and 43,672.32

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Solution

The fourth proportional to 77,186.88, 106,537.92 and 43,672.32 is: 60,279.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,186.88 : 106,537.92 = 43,672.32 : x
  2. Step 2: Convert to fraction form
    77,186.88/106,537.92 = 43,672.32/x
  3. Step 3: Cross multiply
    77,186.88x = 106,537.92 × 43,672.32
  4. Step 4: Simplify right side
    77,186.88x = 4,652,758,134.37
  5. Step 5: Solve for x
    x = 4,652,758,134.37/77,186.88
  6. Step 6: Final answer
    x = 60,279.13

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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.