Home / 90,089.20-134,949.28-50,563.32

Finding the Fourth Proportional to 90,089.20, 134,949.28 and 50,563.32

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Solution

The fourth proportional to 90,089.20, 134,949.28 and 50,563.32 is: 75,741.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,089.20 : 134,949.28 = 50,563.32 : x
  2. Step 2: Convert to fraction form
    90,089.20/134,949.28 = 50,563.32/x
  3. Step 3: Cross multiply
    90,089.20x = 134,949.28 × 50,563.32
  4. Step 4: Simplify right side
    90,089.20x = 6,823,483,628.41
  5. Step 5: Solve for x
    x = 6,823,483,628.41/90,089.20
  6. Step 6: Final answer
    x = 75,741.42

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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.