Home / 81,950.04-113,070.92-50,107.32

Finding the Fourth Proportional to 81,950.04, 113,070.92 and 50,107.32

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Solution

The fourth proportional to 81,950.04, 113,070.92 and 50,107.32 is: 69,135.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,950.04 : 113,070.92 = 50,107.32 : x
  2. Step 2: Convert to fraction form
    81,950.04/113,070.92 = 50,107.32/x
  3. Step 3: Cross multiply
    81,950.04x = 113,070.92 × 50,107.32
  4. Step 4: Simplify right side
    81,950.04x = 5,665,680,520.60
  5. Step 5: Solve for x
    x = 5,665,680,520.60/81,950.04
  6. Step 6: Final answer
    x = 69,135.79

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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.