Home / 117,750.12-162,495.94-64,035.72

Finding the Fourth Proportional to 117,750.12, 162,495.94 and 64,035.72

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Solution

The fourth proportional to 117,750.12, 162,495.94 and 64,035.72 is: 88,369.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,750.12 : 162,495.94 = 64,035.72 : x
  2. Step 2: Convert to fraction form
    117,750.12/162,495.94 = 64,035.72/x
  3. Step 3: Cross multiply
    117,750.12x = 162,495.94 × 64,035.72
  4. Step 4: Simplify right side
    117,750.12x = 10,405,544,514.98
  5. Step 5: Solve for x
    x = 10,405,544,514.98/117,750.12
  6. Step 6: Final answer
    x = 88,369.71

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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.