Home / 75,550.36-104,180.33-56,399.42

Finding the Fourth Proportional to 75,550.36, 104,180.33 and 56,399.42

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Solution

The fourth proportional to 75,550.36, 104,180.33 and 56,399.42 is: 77,772.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,550.36 : 104,180.33 = 56,399.42 : x
  2. Step 2: Convert to fraction form
    75,550.36/104,180.33 = 56,399.42/x
  3. Step 3: Cross multiply
    75,550.36x = 104,180.33 × 56,399.42
  4. Step 4: Simplify right side
    75,550.36x = 5,875,710,187.41
  5. Step 5: Solve for x
    x = 5,875,710,187.41/75,550.36
  6. Step 6: Final answer
    x = 77,772.10

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.