Home / 90,735.68-125,215.12-50,448.17

Finding the Fourth Proportional to 90,735.68, 125,215.12 and 50,448.17

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Solution

The fourth proportional to 90,735.68, 125,215.12 and 50,448.17 is: 69,618.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,735.68 : 125,215.12 = 50,448.17 : x
  2. Step 2: Convert to fraction form
    90,735.68/125,215.12 = 50,448.17/x
  3. Step 3: Cross multiply
    90,735.68x = 125,215.12 × 50,448.17
  4. Step 4: Simplify right side
    90,735.68x = 6,316,873,660.33
  5. Step 5: Solve for x
    x = 6,316,873,660.33/90,735.68
  6. Step 6: Final answer
    x = 69,618.41

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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.