Home / 68,812.11-103,185.63-26,712.36

Finding the Fourth Proportional to 68,812.11, 103,185.63 and 26,712.36

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Solution

The fourth proportional to 68,812.11, 103,185.63 and 26,712.36 is: 40,055.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,812.11 : 103,185.63 = 26,712.36 : x
  2. Step 2: Convert to fraction form
    68,812.11/103,185.63 = 26,712.36/x
  3. Step 3: Cross multiply
    68,812.11x = 103,185.63 × 26,712.36
  4. Step 4: Simplify right side
    68,812.11x = 2,756,331,695.39
  5. Step 5: Solve for x
    x = 2,756,331,695.39/68,812.11
  6. Step 6: Final answer
    x = 40,055.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.