Home / 90,653.66-125,102.19-50,367.46

Finding the Fourth Proportional to 90,653.66, 125,102.19 and 50,367.46

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Solution

The fourth proportional to 90,653.66, 125,102.19 and 50,367.46 is: 69,507.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,653.66 : 125,102.19 = 50,367.46 : x
  2. Step 2: Convert to fraction form
    90,653.66/125,102.19 = 50,367.46/x
  3. Step 3: Cross multiply
    90,653.66x = 125,102.19 × 50,367.46
  4. Step 4: Simplify right side
    90,653.66x = 6,301,079,298.90
  5. Step 5: Solve for x
    x = 6,301,079,298.90/90,653.66
  6. Step 6: Final answer
    x = 69,507.17

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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.