Home / 94,738.20-142,034.40-53,185.20

Finding the Fourth Proportional to 94,738.20, 142,034.40 and 53,185.20

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Solution

The fourth proportional to 94,738.20, 142,034.40 and 53,185.20 is: 79,736.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,738.20 : 142,034.40 = 53,185.20 : x
  2. Step 2: Convert to fraction form
    94,738.20/142,034.40 = 53,185.20/x
  3. Step 3: Cross multiply
    94,738.20x = 142,034.40 × 53,185.20
  4. Step 4: Simplify right side
    94,738.20x = 7,554,127,970.88
  5. Step 5: Solve for x
    x = 7,554,127,970.88/94,738.20
  6. Step 6: Final answer
    x = 79,736.87

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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.