Home / 101,231.16-151,643.22-50,477.40

Finding the Fourth Proportional to 101,231.16, 151,643.22 and 50,477.40

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Solution

The fourth proportional to 101,231.16, 151,643.22 and 50,477.40 is: 75,614.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,231.16 : 151,643.22 = 50,477.40 : x
  2. Step 2: Convert to fraction form
    101,231.16/151,643.22 = 50,477.40/x
  3. Step 3: Cross multiply
    101,231.16x = 151,643.22 × 50,477.40
  4. Step 4: Simplify right side
    101,231.16x = 7,654,555,473.23
  5. Step 5: Solve for x
    x = 7,654,555,473.23/101,231.16
  6. Step 6: Final answer
    x = 75,614.62

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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.