Home / 69,505-95,996.10-47,110.12

Finding the Fourth Proportional to 69,505, 95,996.10 and 47,110.12

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Solution

The fourth proportional to 69,505, 95,996.10 and 47,110.12 is: 65,065.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,505 : 95,996.10 = 47,110.12 : x
  2. Step 2: Convert to fraction form
    69,505/95,996.10 = 47,110.12/x
  3. Step 3: Cross multiply
    69,505x = 95,996.10 × 47,110.12
  4. Step 4: Simplify right side
    69,505x = 4,522,387,790.53
  5. Step 5: Solve for x
    x = 4,522,387,790.53/69,505
  6. Step 6: Final answer
    x = 65,065.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.