Home / 95,530.18-143,076.75-45,645.34

Finding the Fourth Proportional to 95,530.18, 143,076.75 and 45,645.34

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Solution

The fourth proportional to 95,530.18, 143,076.75 and 45,645.34 is: 68,363.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,530.18 : 143,076.75 = 45,645.34 : x
  2. Step 2: Convert to fraction form
    95,530.18/143,076.75 = 45,645.34/x
  3. Step 3: Cross multiply
    95,530.18x = 143,076.75 × 45,645.34
  4. Step 4: Simplify right side
    95,530.18x = 6,530,786,899.85
  5. Step 5: Solve for x
    x = 6,530,786,899.85/95,530.18
  6. Step 6: Final answer
    x = 68,363.60

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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.