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Finding the Fourth Proportional to 73,341.05, 110,023.11 and 28,968.03

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Solution

The fourth proportional to 73,341.05, 110,023.11 and 28,968.03 is: 43,456.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,341.05 : 110,023.11 = 28,968.03 : x
  2. Step 2: Convert to fraction form
    73,341.05/110,023.11 = 28,968.03/x
  3. Step 3: Cross multiply
    73,341.05x = 110,023.11 × 28,968.03
  4. Step 4: Simplify right side
    73,341.05x = 3,187,152,751.17
  5. Step 5: Solve for x
    x = 3,187,152,751.17/73,341.05
  6. Step 6: Final answer
    x = 43,456.60

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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.