Home / 95,442.30-143,163.45-77,727.60

Finding the Fourth Proportional to 95,442.30, 143,163.45 and 77,727.60

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Solution

The fourth proportional to 95,442.30, 143,163.45 and 77,727.60 is: 116,591.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,442.30 : 143,163.45 = 77,727.60 : x
  2. Step 2: Convert to fraction form
    95,442.30/143,163.45 = 77,727.60/x
  3. Step 3: Cross multiply
    95,442.30x = 143,163.45 × 77,727.60
  4. Step 4: Simplify right side
    95,442.30x = 11,127,751,376.22
  5. Step 5: Solve for x
    x = 11,127,751,376.22/95,442.30
  6. Step 6: Final answer
    x = 116,591.40

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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.