Home / 95,403.89-143,126.63-28,842.31

Finding the Fourth Proportional to 95,403.89, 143,126.63 and 28,842.31

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Solution

The fourth proportional to 95,403.89, 143,126.63 and 28,842.31 is: 43,269.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,403.89 : 143,126.63 = 28,842.31 : x
  2. Step 2: Convert to fraction form
    95,403.89/143,126.63 = 28,842.31/x
  3. Step 3: Cross multiply
    95,403.89x = 143,126.63 × 28,842.31
  4. Step 4: Simplify right side
    95,403.89x = 4,128,102,774.57
  5. Step 5: Solve for x
    x = 4,128,102,774.57/95,403.89
  6. Step 6: Final answer
    x = 43,269.75

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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.