Home / 68,402.10-94,356.97-40,102.34

Finding the Fourth Proportional to 68,402.10, 94,356.97 and 40,102.34

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Solution

The fourth proportional to 68,402.10, 94,356.97 and 40,102.34 is: 55,318.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,402.10 : 94,356.97 = 40,102.34 : x
  2. Step 2: Convert to fraction form
    68,402.10/94,356.97 = 40,102.34/x
  3. Step 3: Cross multiply
    68,402.10x = 94,356.97 × 40,102.34
  4. Step 4: Simplify right side
    68,402.10x = 3,783,935,292.31
  5. Step 5: Solve for x
    x = 3,783,935,292.31/68,402.10
  6. Step 6: Final answer
    x = 55,318.99

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1.5x scale

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.