Home / 107,995.33-162,047.66-72,861.18

Finding the Fourth Proportional to 107,995.33, 162,047.66 and 72,861.18

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Solution

The fourth proportional to 107,995.33, 162,047.66 and 72,861.18 is: 109,328.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,995.33 : 162,047.66 = 72,861.18 : x
  2. Step 2: Convert to fraction form
    107,995.33/162,047.66 = 72,861.18/x
  3. Step 3: Cross multiply
    107,995.33x = 162,047.66 × 72,861.18
  4. Step 4: Simplify right side
    107,995.33x = 11,806,983,723.84
  5. Step 5: Solve for x
    x = 11,806,983,723.84/107,995.33
  6. Step 6: Final answer
    x = 109,328.65

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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.