Home / 65,923.28-98,901.12-19,176.56

Finding the Fourth Proportional to 65,923.28, 98,901.12 and 19,176.56

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Solution

The fourth proportional to 65,923.28, 98,901.12 and 19,176.56 is: 28,769.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,923.28 : 98,901.12 = 19,176.56 : x
  2. Step 2: Convert to fraction form
    65,923.28/98,901.12 = 19,176.56/x
  3. Step 3: Cross multiply
    65,923.28x = 98,901.12 × 19,176.56
  4. Step 4: Simplify right side
    65,923.28x = 1,896,583,261.75
  5. Step 5: Solve for x
    x = 1,896,583,261.75/65,923.28
  6. Step 6: Final answer
    x = 28,769.55

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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.