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Finding the Fourth Proportional to 73,243.58, 109,860.70 and 23,359.46

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Solution

The fourth proportional to 73,243.58, 109,860.70 and 23,359.46 is: 35,037.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,243.58 : 109,860.70 = 23,359.46 : x
  2. Step 2: Convert to fraction form
    73,243.58/109,860.70 = 23,359.46/x
  3. Step 3: Cross multiply
    73,243.58x = 109,860.70 × 23,359.46
  4. Step 4: Simplify right side
    73,243.58x = 2,566,286,627.22
  5. Step 5: Solve for x
    x = 2,566,286,627.22/73,243.58
  6. Step 6: Final answer
    x = 35,037.70

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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.