Home / 115,477.84-173,227.70-45,340.75

Finding the Fourth Proportional to 115,477.84, 173,227.70 and 45,340.75

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Solution

The fourth proportional to 115,477.84, 173,227.70 and 45,340.75 is: 68,015.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,477.84 : 173,227.70 = 45,340.75 : x
  2. Step 2: Convert to fraction form
    115,477.84/173,227.70 = 45,340.75/x
  3. Step 3: Cross multiply
    115,477.84x = 173,227.70 × 45,340.75
  4. Step 4: Simplify right side
    115,477.84x = 7,854,273,838.78
  5. Step 5: Solve for x
    x = 7,854,273,838.78/115,477.84
  6. Step 6: Final answer
    x = 68,015.42

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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.