Home / 90,376.44-124,719.39-50,090.28

Finding the Fourth Proportional to 90,376.44, 124,719.39 and 50,090.28

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Solution

The fourth proportional to 90,376.44, 124,719.39 and 50,090.28 is: 69,124.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,376.44 : 124,719.39 = 50,090.28 : x
  2. Step 2: Convert to fraction form
    90,376.44/124,719.39 = 50,090.28/x
  3. Step 3: Cross multiply
    90,376.44x = 124,719.39 × 50,090.28
  4. Step 4: Simplify right side
    90,376.44x = 6,247,229,166.53
  5. Step 5: Solve for x
    x = 6,247,229,166.53/90,376.44
  6. Step 6: Final answer
    x = 69,124.53

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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.