Home / 69,090.10-95,346.21-38,876.49

Finding the Fourth Proportional to 69,090.10, 95,346.21 and 38,876.49

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Solution

The fourth proportional to 69,090.10, 95,346.21 and 38,876.49 is: 53,650.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,090.10 : 95,346.21 = 38,876.49 : x
  2. Step 2: Convert to fraction form
    69,090.10/95,346.21 = 38,876.49/x
  3. Step 3: Cross multiply
    69,090.10x = 95,346.21 × 38,876.49
  4. Step 4: Simplify right side
    69,090.10x = 3,706,726,125.39
  5. Step 5: Solve for x
    x = 3,706,726,125.39/69,090.10
  6. Step 6: Final answer
    x = 53,650.61

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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.