Home / 68,501.20-94,509.48-40,213.84

Finding the Fourth Proportional to 68,501.20, 94,509.48 and 40,213.84

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Solution

The fourth proportional to 68,501.20, 94,509.48 and 40,213.84 is: 55,482.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,501.20 : 94,509.48 = 40,213.84 : x
  2. Step 2: Convert to fraction form
    68,501.20/94,509.48 = 40,213.84/x
  3. Step 3: Cross multiply
    68,501.20x = 94,509.48 × 40,213.84
  4. Step 4: Simplify right side
    68,501.20x = 3,800,589,107.20
  5. Step 5: Solve for x
    x = 3,800,589,107.20/68,501.20
  6. Step 6: Final answer
    x = 55,482.08

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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.