Home / 68,088.54-102,135.56-23,719.79

Finding the Fourth Proportional to 68,088.54, 102,135.56 and 23,719.79

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Solution

The fourth proportional to 68,088.54, 102,135.56 and 23,719.79 is: 35,580.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,088.54 : 102,135.56 = 23,719.79 : x
  2. Step 2: Convert to fraction form
    68,088.54/102,135.56 = 23,719.79/x
  3. Step 3: Cross multiply
    68,088.54x = 102,135.56 × 23,719.79
  4. Step 4: Simplify right side
    68,088.54x = 2,422,633,405.46
  5. Step 5: Solve for x
    x = 2,422,633,405.46/68,088.54
  6. Step 6: Final answer
    x = 35,580.63

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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.