Home / 95,785.72-143,629.36-51,449.76

Finding the Fourth Proportional to 95,785.72, 143,629.36 and 51,449.76

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Solution

The fourth proportional to 95,785.72, 143,629.36 and 51,449.76 is: 77,148.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,785.72 : 143,629.36 = 51,449.76 : x
  2. Step 2: Convert to fraction form
    95,785.72/143,629.36 = 51,449.76/x
  3. Step 3: Cross multiply
    95,785.72x = 143,629.36 × 51,449.76
  4. Step 4: Simplify right side
    95,785.72x = 7,389,696,100.95
  5. Step 5: Solve for x
    x = 7,389,696,100.95/95,785.72
  6. Step 6: Final answer
    x = 77,148.20

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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.