Home / 65,815.20-98,747.10-63,385.20

Finding the Fourth Proportional to 65,815.20, 98,747.10 and 63,385.20

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Solution

The fourth proportional to 65,815.20, 98,747.10 and 63,385.20 is: 95,101.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,815.20 : 98,747.10 = 63,385.20 : x
  2. Step 2: Convert to fraction form
    65,815.20/98,747.10 = 63,385.20/x
  3. Step 3: Cross multiply
    65,815.20x = 98,747.10 × 63,385.20
  4. Step 4: Simplify right side
    65,815.20x = 6,259,104,682.92
  5. Step 5: Solve for x
    x = 6,259,104,682.92/65,815.20
  6. Step 6: Final answer
    x = 95,101.20

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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.