Home / 90,374.33-124,716.58-50,090.69

Finding the Fourth Proportional to 90,374.33, 124,716.58 and 50,090.69

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Solution

The fourth proportional to 90,374.33, 124,716.58 and 50,090.69 is: 69,125.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,374.33 : 124,716.58 = 50,090.69 : x
  2. Step 2: Convert to fraction form
    90,374.33/124,716.58 = 50,090.69/x
  3. Step 3: Cross multiply
    90,374.33x = 124,716.58 × 50,090.69
  4. Step 4: Simplify right side
    90,374.33x = 6,247,139,546.64
  5. Step 5: Solve for x
    x = 6,247,139,546.64/90,374.33
  6. Step 6: Final answer
    x = 69,125.15

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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.