Home / 65,627.20-98,489.40-43,433.20

Finding the Fourth Proportional to 65,627.20, 98,489.40 and 43,433.20

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Solution

The fourth proportional to 65,627.20, 98,489.40 and 43,433.20 is: 65,181.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,627.20 : 98,489.40 = 43,433.20 : x
  2. Step 2: Convert to fraction form
    65,627.20/98,489.40 = 43,433.20/x
  3. Step 3: Cross multiply
    65,627.20x = 98,489.40 × 43,433.20
  4. Step 4: Simplify right side
    65,627.20x = 4,277,709,808.08
  5. Step 5: Solve for x
    x = 4,277,709,808.08/65,627.20
  6. Step 6: Final answer
    x = 65,181.96

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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.