Home / 95,190.40-142,792.64-28,625.12

Finding the Fourth Proportional to 95,190.40, 142,792.64 and 28,625.12

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Solution

The fourth proportional to 95,190.40, 142,792.64 and 28,625.12 is: 42,939.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,190.40 : 142,792.64 = 28,625.12 : x
  2. Step 2: Convert to fraction form
    95,190.40/142,792.64 = 28,625.12/x
  3. Step 3: Cross multiply
    95,190.40x = 142,792.64 × 28,625.12
  4. Step 4: Simplify right side
    95,190.40x = 4,087,456,455.12
  5. Step 5: Solve for x
    x = 4,087,456,455.12/95,190.40
  6. Step 6: Final answer
    x = 42,939.80

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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.