Home / 117,072.97-175,501.80-42,174.79

Finding the Fourth Proportional to 117,072.97, 175,501.80 and 42,174.79

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Solution

The fourth proportional to 117,072.97, 175,501.80 and 42,174.79 is: 63,223.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,072.97 : 175,501.80 = 42,174.79 : x
  2. Step 2: Convert to fraction form
    117,072.97/175,501.80 = 42,174.79/x
  3. Step 3: Cross multiply
    117,072.97x = 175,501.80 × 42,174.79
  4. Step 4: Simplify right side
    117,072.97x = 7,401,752,156.53
  5. Step 5: Solve for x
    x = 7,401,752,156.53/117,072.97
  6. Step 6: Final answer
    x = 63,223.41

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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.