Home / 65,830.10-98,680.35-32,555.30

Finding the Fourth Proportional to 65,830.10, 98,680.35 and 32,555.30

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Solution

The fourth proportional to 65,830.10, 98,680.35 and 32,555.30 is: 48,800.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,830.10 : 98,680.35 = 32,555.30 : x
  2. Step 2: Convert to fraction form
    65,830.10/98,680.35 = 32,555.30/x
  3. Step 3: Cross multiply
    65,830.10x = 98,680.35 × 32,555.30
  4. Step 4: Simplify right side
    65,830.10x = 3,212,568,398.36
  5. Step 5: Solve for x
    x = 3,212,568,398.36/65,830.10
  6. Step 6: Final answer
    x = 48,800.90

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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.