Home / 81,175.64-112,035.42-50,965.27

Finding the Fourth Proportional to 81,175.64, 112,035.42 and 50,965.27

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Solution

The fourth proportional to 81,175.64, 112,035.42 and 50,965.27 is: 70,340.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,175.64 : 112,035.42 = 50,965.27 : x
  2. Step 2: Convert to fraction form
    81,175.64/112,035.42 = 50,965.27/x
  3. Step 3: Cross multiply
    81,175.64x = 112,035.42 × 50,965.27
  4. Step 4: Simplify right side
    81,175.64x = 5,709,915,149.77
  5. Step 5: Solve for x
    x = 5,709,915,149.77/81,175.64
  6. Step 6: Final answer
    x = 70,340.26

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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.