Home / 95,969.20-143,824.20-84,823.60

Finding the Fourth Proportional to 95,969.20, 143,824.20 and 84,823.60

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Solution

The fourth proportional to 95,969.20, 143,824.20 and 84,823.60 is: 127,120.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,969.20 : 143,824.20 = 84,823.60 : x
  2. Step 2: Convert to fraction form
    95,969.20/143,824.20 = 84,823.60/x
  3. Step 3: Cross multiply
    95,969.20x = 143,824.20 × 84,823.60
  4. Step 4: Simplify right side
    95,969.20x = 12,199,686,411.12
  5. Step 5: Solve for x
    x = 12,199,686,411.12/95,969.20
  6. Step 6: Final answer
    x = 127,120.85

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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.