Home / 52,109.20-71,910.39-29,455.53

Finding the Fourth Proportional to 52,109.20, 71,910.39 and 29,455.53

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Solution

The fourth proportional to 52,109.20, 71,910.39 and 29,455.53 is: 40,648.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,109.20 : 71,910.39 = 29,455.53 : x
  2. Step 2: Convert to fraction form
    52,109.20/71,910.39 = 29,455.53/x
  3. Step 3: Cross multiply
    52,109.20x = 71,910.39 × 29,455.53
  4. Step 4: Simplify right side
    52,109.20x = 2,118,158,649.96
  5. Step 5: Solve for x
    x = 2,118,158,649.96/52,109.20
  6. Step 6: Final answer
    x = 40,648.46

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1.5x scale

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.