Home / 65,954.28-98,947.68-19,207.56

Finding the Fourth Proportional to 65,954.28, 98,947.68 and 19,207.56

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Solution

The fourth proportional to 65,954.28, 98,947.68 and 19,207.56 is: 28,816.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,954.28 : 98,947.68 = 19,207.56 : x
  2. Step 2: Convert to fraction form
    65,954.28/98,947.68 = 19,207.56/x
  3. Step 3: Cross multiply
    65,954.28x = 98,947.68 × 19,207.56
  4. Step 4: Simplify right side
    65,954.28x = 1,900,543,500.46
  5. Step 5: Solve for x
    x = 1,900,543,500.46/65,954.28
  6. Step 6: Final answer
    x = 28,816.08

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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.