Home / 68,826.11-94,980.06-40,165.47

Finding the Fourth Proportional to 68,826.11, 94,980.06 and 40,165.47

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Solution

The fourth proportional to 68,826.11, 94,980.06 and 40,165.47 is: 55,428.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,826.11 : 94,980.06 = 40,165.47 : x
  2. Step 2: Convert to fraction form
    68,826.11/94,980.06 = 40,165.47/x
  3. Step 3: Cross multiply
    68,826.11x = 94,980.06 × 40,165.47
  4. Step 4: Simplify right side
    68,826.11x = 3,814,918,750.53
  5. Step 5: Solve for x
    x = 3,814,918,750.53/68,826.11
  6. Step 6: Final answer
    x = 55,428.37

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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.