Home / 115,911.46-173,846.70-52,716.78

Finding the Fourth Proportional to 115,911.46, 173,846.70 and 52,716.78

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Solution

The fourth proportional to 115,911.46, 173,846.70 and 52,716.78 is: 79,065.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,911.46 : 173,846.70 = 52,716.78 : x
  2. Step 2: Convert to fraction form
    115,911.46/173,846.70 = 52,716.78/x
  3. Step 3: Cross multiply
    115,911.46x = 173,846.70 × 52,716.78
  4. Step 4: Simplify right side
    115,911.46x = 9,164,638,237.63
  5. Step 5: Solve for x
    x = 9,164,638,237.63/115,911.46
  6. Step 6: Final answer
    x = 79,065.85

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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.