Home / 68,735.08-94,849.92-40,435.30

Finding the Fourth Proportional to 68,735.08, 94,849.92 and 40,435.30

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Solution

The fourth proportional to 68,735.08, 94,849.92 and 40,435.30 is: 55,798.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,735.08 : 94,849.92 = 40,435.30 : x
  2. Step 2: Convert to fraction form
    68,735.08/94,849.92 = 40,435.30/x
  3. Step 3: Cross multiply
    68,735.08x = 94,849.92 × 40,435.30
  4. Step 4: Simplify right side
    68,735.08x = 3,835,284,970.18
  5. Step 5: Solve for x
    x = 3,835,284,970.18/68,735.08
  6. Step 6: Final answer
    x = 55,798.07

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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.