Home / 94,991.45-142,515.71-28,433.75

Finding the Fourth Proportional to 94,991.45, 142,515.71 and 28,433.75

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Solution

The fourth proportional to 94,991.45, 142,515.71 and 28,433.75 is: 42,659.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,991.45 : 142,515.71 = 28,433.75 : x
  2. Step 2: Convert to fraction form
    94,991.45/142,515.71 = 28,433.75/x
  3. Step 3: Cross multiply
    94,991.45x = 142,515.71 × 28,433.75
  4. Step 4: Simplify right side
    94,991.45x = 4,052,256,069.21
  5. Step 5: Solve for x
    x = 4,052,256,069.21/94,991.45
  6. Step 6: Final answer
    x = 42,659.17

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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.