Home / 95,530.20-143,448.30-75,971.40

Finding the Fourth Proportional to 95,530.20, 143,448.30 and 75,971.40

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Solution

The fourth proportional to 95,530.20, 143,448.30 and 75,971.40 is: 114,078.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,530.20 : 143,448.30 = 75,971.40 : x
  2. Step 2: Convert to fraction form
    95,530.20/143,448.30 = 75,971.40/x
  3. Step 3: Cross multiply
    95,530.20x = 143,448.30 × 75,971.40
  4. Step 4: Simplify right side
    95,530.20x = 10,897,968,178.62
  5. Step 5: Solve for x
    x = 10,897,968,178.62/95,530.20
  6. Step 6: Final answer
    x = 114,078.77

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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.