Home / 109,633.70-164,349.75-39,495.86

Finding the Fourth Proportional to 109,633.70, 164,349.75 and 39,495.86

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Solution

The fourth proportional to 109,633.70, 164,349.75 and 39,495.86 is: 59,207.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,633.70 : 164,349.75 = 39,495.86 : x
  2. Step 2: Convert to fraction form
    109,633.70/164,349.75 = 39,495.86/x
  3. Step 3: Cross multiply
    109,633.70x = 164,349.75 × 39,495.86
  4. Step 4: Simplify right side
    109,633.70x = 6,491,134,717.04
  5. Step 5: Solve for x
    x = 6,491,134,717.04/109,633.70
  6. Step 6: Final answer
    x = 59,207.48

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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.