Home / 94,788.56-142,217.40-50,419.28

Finding the Fourth Proportional to 94,788.56, 142,217.40 and 50,419.28

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Solution

The fourth proportional to 94,788.56, 142,217.40 and 50,419.28 is: 75,647.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,788.56 : 142,217.40 = 50,419.28 : x
  2. Step 2: Convert to fraction form
    94,788.56/142,217.40 = 50,419.28/x
  3. Step 3: Cross multiply
    94,788.56x = 142,217.40 × 50,419.28
  4. Step 4: Simplify right side
    94,788.56x = 7,170,498,911.47
  5. Step 5: Solve for x
    x = 7,170,498,911.47/94,788.56
  6. Step 6: Final answer
    x = 75,647.30

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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.