Home / 75,813.53-104,617.10-43,976.30

Finding the Fourth Proportional to 75,813.53, 104,617.10 and 43,976.30

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Solution

The fourth proportional to 75,813.53, 104,617.10 and 43,976.30 is: 60,684.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,813.53 : 104,617.10 = 43,976.30 : x
  2. Step 2: Convert to fraction form
    75,813.53/104,617.10 = 43,976.30/x
  3. Step 3: Cross multiply
    75,813.53x = 104,617.10 × 43,976.30
  4. Step 4: Simplify right side
    75,813.53x = 4,600,672,561.59
  5. Step 5: Solve for x
    x = 4,600,672,561.59/75,813.53
  6. Step 6: Final answer
    x = 60,684.06

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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.