Home / 95,750.20-143,285.10-83,405.80

Finding the Fourth Proportional to 95,750.20, 143,285.10 and 83,405.80

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Solution

The fourth proportional to 95,750.20, 143,285.10 and 83,405.80 is: 124,812.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,750.20 : 143,285.10 = 83,405.80 : x
  2. Step 2: Convert to fraction form
    95,750.20/143,285.10 = 83,405.80/x
  3. Step 3: Cross multiply
    95,750.20x = 143,285.10 × 83,405.80
  4. Step 4: Simplify right side
    95,750.20x = 11,950,808,393.58
  5. Step 5: Solve for x
    x = 11,950,808,393.58/95,750.20
  6. Step 6: Final answer
    x = 124,812.36

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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.