Home / 117,889.59-162,685.96-64,175.05

Finding the Fourth Proportional to 117,889.59, 162,685.96 and 64,175.05

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Solution

The fourth proportional to 117,889.59, 162,685.96 and 64,175.05 is: 88,560.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,889.59 : 162,685.96 = 64,175.05 : x
  2. Step 2: Convert to fraction form
    117,889.59/162,685.96 = 64,175.05/x
  3. Step 3: Cross multiply
    117,889.59x = 162,685.96 × 64,175.05
  4. Step 4: Simplify right side
    117,889.59x = 10,440,379,617.30
  5. Step 5: Solve for x
    x = 10,440,379,617.30/117,889.59
  6. Step 6: Final answer
    x = 88,560.66

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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.