Home / 90,949.31-125,493.38-50,662.07

Finding the Fourth Proportional to 90,949.31, 125,493.38 and 50,662.07

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Solution

The fourth proportional to 90,949.31, 125,493.38 and 50,662.07 is: 69,904.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,949.31 : 125,493.38 = 50,662.07 : x
  2. Step 2: Convert to fraction form
    90,949.31/125,493.38 = 50,662.07/x
  3. Step 3: Cross multiply
    90,949.31x = 125,493.38 × 50,662.07
  4. Step 4: Simplify right side
    90,949.31x = 6,357,753,774.63
  5. Step 5: Solve for x
    x = 6,357,753,774.63/90,949.31
  6. Step 6: Final answer
    x = 69,904.37

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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.