Home / 90,060.45-134,979.94-50,534.52

Finding the Fourth Proportional to 90,060.45, 134,979.94 and 50,534.52

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Solution

The fourth proportional to 90,060.45, 134,979.94 and 50,534.52 is: 75,739.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,060.45 : 134,979.94 = 50,534.52 : x
  2. Step 2: Convert to fraction form
    90,060.45/134,979.94 = 50,534.52/x
  3. Step 3: Cross multiply
    90,060.45x = 134,979.94 × 50,534.52
  4. Step 4: Simplify right side
    90,060.45x = 6,821,145,549.96
  5. Step 5: Solve for x
    x = 6,821,145,549.96/90,060.45
  6. Step 6: Final answer
    x = 75,739.64

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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.