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Finding the Fourth Proportional to 73,504.11, 110,117.05 and 43,428.41

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Solution

The fourth proportional to 73,504.11, 110,117.05 and 43,428.41 is: 65,060.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,504.11 : 110,117.05 = 43,428.41 : x
  2. Step 2: Convert to fraction form
    73,504.11/110,117.05 = 43,428.41/x
  3. Step 3: Cross multiply
    73,504.11x = 110,117.05 × 43,428.41
  4. Step 4: Simplify right side
    73,504.11x = 4,782,208,395.39
  5. Step 5: Solve for x
    x = 4,782,208,395.39/73,504.11
  6. Step 6: Final answer
    x = 65,060.42

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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.