Home / 69,488-95,972.64-47,093.12

Finding the Fourth Proportional to 69,488, 95,972.64 and 47,093.12

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Solution

The fourth proportional to 69,488, 95,972.64 and 47,093.12 is: 65,042.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,488 : 95,972.64 = 47,093.12 : x
  2. Step 2: Convert to fraction form
    69,488/95,972.64 = 47,093.12/x
  3. Step 3: Cross multiply
    69,488x = 95,972.64 × 47,093.12
  4. Step 4: Simplify right side
    69,488x = 4,519,651,052.24
  5. Step 5: Solve for x
    x = 4,519,651,052.24/69,488
  6. Step 6: Final answer
    x = 65,042.18

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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.