Home / 65,983.40-98,975.10-54,902.60

Finding the Fourth Proportional to 65,983.40, 98,975.10 and 54,902.60

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Solution

The fourth proportional to 65,983.40, 98,975.10 and 54,902.60 is: 82,353.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,983.40 : 98,975.10 = 54,902.60 : x
  2. Step 2: Convert to fraction form
    65,983.40/98,975.10 = 54,902.60/x
  3. Step 3: Cross multiply
    65,983.40x = 98,975.10 × 54,902.60
  4. Step 4: Simplify right side
    65,983.40x = 5,433,990,325.26
  5. Step 5: Solve for x
    x = 5,433,990,325.26/65,983.40
  6. Step 6: Final answer
    x = 82,353.90

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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.