Home / 91,215.24-125,864.46-50,924.28

Finding the Fourth Proportional to 91,215.24, 125,864.46 and 50,924.28

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Solution

The fourth proportional to 91,215.24, 125,864.46 and 50,924.28 is: 70,268.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,215.24 : 125,864.46 = 50,924.28 : x
  2. Step 2: Convert to fraction form
    91,215.24/125,864.46 = 50,924.28/x
  3. Step 3: Cross multiply
    91,215.24x = 125,864.46 × 50,924.28
  4. Step 4: Simplify right side
    91,215.24x = 6,409,557,003.09
  5. Step 5: Solve for x
    x = 6,409,557,003.09/91,215.24
  6. Step 6: Final answer
    x = 70,268.49

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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.