Home / 94,757.76-142,185.96-38,639.28

Finding the Fourth Proportional to 94,757.76, 142,185.96 and 38,639.28

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Solution

The fourth proportional to 94,757.76, 142,185.96 and 38,639.28 is: 57,979.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,757.76 : 142,185.96 = 38,639.28 : x
  2. Step 2: Convert to fraction form
    94,757.76/142,185.96 = 38,639.28/x
  3. Step 3: Cross multiply
    94,757.76x = 142,185.96 × 38,639.28
  4. Step 4: Simplify right side
    94,757.76x = 5,493,963,120.51
  5. Step 5: Solve for x
    x = 5,493,963,120.51/94,757.76
  6. Step 6: Final answer
    x = 57,979.03

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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.