Home / 90,503.13-124,892.41-50,216.03

Finding the Fourth Proportional to 90,503.13, 124,892.41 and 50,216.03

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Solution

The fourth proportional to 90,503.13, 124,892.41 and 50,216.03 is: 69,297.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,503.13 : 124,892.41 = 50,216.03 : x
  2. Step 2: Convert to fraction form
    90,503.13/124,892.41 = 50,216.03/x
  3. Step 3: Cross multiply
    90,503.13x = 124,892.41 × 50,216.03
  4. Step 4: Simplify right side
    90,503.13x = 6,271,601,007.33
  5. Step 5: Solve for x
    x = 6,271,601,007.33/90,503.13
  6. Step 6: Final answer
    x = 69,297.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.