Home / 117,176.89-161,704.05-63,461.90

Finding the Fourth Proportional to 117,176.89, 161,704.05 and 63,461.90

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Solution

The fourth proportional to 117,176.89, 161,704.05 and 63,461.90 is: 87,577.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,176.89 : 161,704.05 = 63,461.90 : x
  2. Step 2: Convert to fraction form
    117,176.89/161,704.05 = 63,461.90/x
  3. Step 3: Cross multiply
    117,176.89x = 161,704.05 × 63,461.90
  4. Step 4: Simplify right side
    117,176.89x = 10,262,046,250.70
  5. Step 5: Solve for x
    x = 10,262,046,250.70/117,176.89
  6. Step 6: Final answer
    x = 87,577.39

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.