Home / 68,571.36-102,781.44-38,925.36

Finding the Fourth Proportional to 68,571.36, 102,781.44 and 38,925.36

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Solution

The fourth proportional to 68,571.36, 102,781.44 and 38,925.36 is: 58,345.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,571.36 : 102,781.44 = 38,925.36 : x
  2. Step 2: Convert to fraction form
    68,571.36/102,781.44 = 38,925.36/x
  3. Step 3: Cross multiply
    68,571.36x = 102,781.44 × 38,925.36
  4. Step 4: Simplify right side
    68,571.36x = 4,000,804,553.32
  5. Step 5: Solve for x
    x = 4,000,804,553.32/68,571.36
  6. Step 6: Final answer
    x = 58,345.12

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.