Home / 68,508.23-94,541.32-40,213.91

Finding the Fourth Proportional to 68,508.23, 94,541.32 and 40,213.91

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Solution

The fourth proportional to 68,508.23, 94,541.32 and 40,213.91 is: 55,495.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,508.23 : 94,541.32 = 40,213.91 : x
  2. Step 2: Convert to fraction form
    68,508.23/94,541.32 = 40,213.91/x
  3. Step 3: Cross multiply
    68,508.23x = 94,541.32 × 40,213.91
  4. Step 4: Simplify right side
    68,508.23x = 3,801,875,932.69
  5. Step 5: Solve for x
    x = 3,801,875,932.69/68,508.23
  6. Step 6: Final answer
    x = 55,495.17

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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.