Home / 78,899.10-118,305.45-32,099.10

Finding the Fourth Proportional to 78,899.10, 118,305.45 and 32,099.10

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Solution

The fourth proportional to 78,899.10, 118,305.45 and 32,099.10 is: 48,131.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,899.10 : 118,305.45 = 32,099.10 : x
  2. Step 2: Convert to fraction form
    78,899.10/118,305.45 = 32,099.10/x
  3. Step 3: Cross multiply
    78,899.10x = 118,305.45 × 32,099.10
  4. Step 4: Simplify right side
    78,899.10x = 3,797,498,470.10
  5. Step 5: Solve for x
    x = 3,797,498,470.10/78,899.10
  6. Step 6: Final answer
    x = 48,131.07

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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.