Home / 77,606.52-116,408.94-54,716.16

Finding the Fourth Proportional to 77,606.52, 116,408.94 and 54,716.16

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Solution

The fourth proportional to 77,606.52, 116,408.94 and 54,716.16 is: 82,073.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,606.52 : 116,408.94 = 54,716.16 : x
  2. Step 2: Convert to fraction form
    77,606.52/116,408.94 = 54,716.16/x
  3. Step 3: Cross multiply
    77,606.52x = 116,408.94 × 54,716.16
  4. Step 4: Simplify right side
    77,606.52x = 6,369,450,186.47
  5. Step 5: Solve for x
    x = 6,369,450,186.47/77,606.52
  6. Step 6: Final answer
    x = 82,073.65

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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.