Home / 68,782.24-103,032.56-40,617.32

Finding the Fourth Proportional to 68,782.24, 103,032.56 and 40,617.32

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Solution

The fourth proportional to 68,782.24, 103,032.56 and 40,617.32 is: 60,842.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,782.24 : 103,032.56 = 40,617.32 : x
  2. Step 2: Convert to fraction form
    68,782.24/103,032.56 = 40,617.32/x
  3. Step 3: Cross multiply
    68,782.24x = 103,032.56 × 40,617.32
  4. Step 4: Simplify right side
    68,782.24x = 4,184,906,459.94
  5. Step 5: Solve for x
    x = 4,184,906,459.94/68,782.24
  6. Step 6: Final answer
    x = 60,842.83

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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.