Home / 69,027.16-103,464.98-39,380.34

Finding the Fourth Proportional to 69,027.16, 103,464.98 and 39,380.34

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Solution

The fourth proportional to 69,027.16, 103,464.98 and 39,380.34 is: 59,027.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,027.16 : 103,464.98 = 39,380.34 : x
  2. Step 2: Convert to fraction form
    69,027.16/103,464.98 = 39,380.34/x
  3. Step 3: Cross multiply
    69,027.16x = 103,464.98 × 39,380.34
  4. Step 4: Simplify right side
    69,027.16x = 4,074,486,090.49
  5. Step 5: Solve for x
    x = 4,074,486,090.49/69,027.16
  6. Step 6: Final answer
    x = 59,027.29

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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.