Home / 68,529.96-94,572-40,236.12

Finding the Fourth Proportional to 68,529.96, 94,572 and 40,236.12

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Solution

The fourth proportional to 68,529.96, 94,572 and 40,236.12 is: 55,526.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,529.96 : 94,572 = 40,236.12 : x
  2. Step 2: Convert to fraction form
    68,529.96/94,572 = 40,236.12/x
  3. Step 3: Cross multiply
    68,529.96x = 94,572 × 40,236.12
  4. Step 4: Simplify right side
    68,529.96x = 3,805,210,340.64
  5. Step 5: Solve for x
    x = 3,805,210,340.64/68,529.96
  6. Step 6: Final answer
    x = 55,526.23

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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.