Home / 75,419.04-104,086.44-48,219.78

Finding the Fourth Proportional to 75,419.04, 104,086.44 and 48,219.78

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Solution

The fourth proportional to 75,419.04, 104,086.44 and 48,219.78 is: 66,548.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,419.04 : 104,086.44 = 48,219.78 : x
  2. Step 2: Convert to fraction form
    75,419.04/104,086.44 = 48,219.78/x
  3. Step 3: Cross multiply
    75,419.04x = 104,086.44 × 48,219.78
  4. Step 4: Simplify right side
    75,419.04x = 5,019,025,237.78
  5. Step 5: Solve for x
    x = 5,019,025,237.78/75,419.04
  6. Step 6: Final answer
    x = 66,548.52

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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.