Home / 65,631.60-98,447.40-43,324.20

Finding the Fourth Proportional to 65,631.60, 98,447.40 and 43,324.20

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Solution

The fourth proportional to 65,631.60, 98,447.40 and 43,324.20 is: 64,986.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,631.60 : 98,447.40 = 43,324.20 : x
  2. Step 2: Convert to fraction form
    65,631.60/98,447.40 = 43,324.20/x
  3. Step 3: Cross multiply
    65,631.60x = 98,447.40 × 43,324.20
  4. Step 4: Simplify right side
    65,631.60x = 4,265,154,847.08
  5. Step 5: Solve for x
    x = 4,265,154,847.08/65,631.60
  6. Step 6: Final answer
    x = 64,986.30

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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.