Home / 126,638.24-189,832.08-59,961.20

Finding the Fourth Proportional to 126,638.24, 189,832.08 and 59,961.20

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Solution

The fourth proportional to 126,638.24, 189,832.08 and 59,961.20 is: 89,882.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,638.24 : 189,832.08 = 59,961.20 : x
  2. Step 2: Convert to fraction form
    126,638.24/189,832.08 = 59,961.20/x
  3. Step 3: Cross multiply
    126,638.24x = 189,832.08 × 59,961.20
  4. Step 4: Simplify right side
    126,638.24x = 11,382,559,315.30
  5. Step 5: Solve for x
    x = 11,382,559,315.30/126,638.24
  6. Step 6: Final answer
    x = 89,882.48

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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.