Home / 76,701.30-114,857.55-73,202.10

Finding the Fourth Proportional to 76,701.30, 114,857.55 and 73,202.10

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Solution

The fourth proportional to 76,701.30, 114,857.55 and 73,202.10 is: 109,617.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,701.30 : 114,857.55 = 73,202.10 : x
  2. Step 2: Convert to fraction form
    76,701.30/114,857.55 = 73,202.10/x
  3. Step 3: Cross multiply
    76,701.30x = 114,857.55 × 73,202.10
  4. Step 4: Simplify right side
    76,701.30x = 8,407,813,860.86
  5. Step 5: Solve for x
    x = 8,407,813,860.86/76,701.30
  6. Step 6: Final answer
    x = 109,617.62

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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.