Home / 65,359.89-98,056.23-18,612.75

Finding the Fourth Proportional to 65,359.89, 98,056.23 and 18,612.75

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Solution

The fourth proportional to 65,359.89, 98,056.23 and 18,612.75 is: 27,923.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,359.89 : 98,056.23 = 18,612.75 : x
  2. Step 2: Convert to fraction form
    65,359.89/98,056.23 = 18,612.75/x
  3. Step 3: Cross multiply
    65,359.89x = 98,056.23 × 18,612.75
  4. Step 4: Simplify right side
    65,359.89x = 1,825,096,094.93
  5. Step 5: Solve for x
    x = 1,825,096,094.93/65,359.89
  6. Step 6: Final answer
    x = 27,923.79

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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.