Home / 113,788.22-170,682.35-38,909.05

Finding the Fourth Proportional to 113,788.22, 170,682.35 and 38,909.05

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Solution

The fourth proportional to 113,788.22, 170,682.35 and 38,909.05 is: 58,363.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,788.22 : 170,682.35 = 38,909.05 : x
  2. Step 2: Convert to fraction form
    113,788.22/170,682.35 = 38,909.05/x
  3. Step 3: Cross multiply
    113,788.22x = 170,682.35 × 38,909.05
  4. Step 4: Simplify right side
    113,788.22x = 6,641,087,469.02
  5. Step 5: Solve for x
    x = 6,641,087,469.02/113,788.22
  6. Step 6: Final answer
    x = 58,363.58

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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.