Home / 117,073.90-175,503.21-42,175.73

Finding the Fourth Proportional to 117,073.90, 175,503.21 and 42,175.73

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Solution

The fourth proportional to 117,073.90, 175,503.21 and 42,175.73 is: 63,224.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,073.90 : 175,503.21 = 42,175.73 : x
  2. Step 2: Convert to fraction form
    117,073.90/175,503.21 = 42,175.73/x
  3. Step 3: Cross multiply
    117,073.90x = 175,503.21 × 42,175.73
  4. Step 4: Simplify right side
    117,073.90x = 7,401,975,999.09
  5. Step 5: Solve for x
    x = 7,401,975,999.09/117,073.90
  6. Step 6: Final answer
    x = 63,224.82

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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.