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Finding the Fourth Proportional to 73,500.40, 110,104.80 and 43,830.10

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Solution

The fourth proportional to 73,500.40, 110,104.80 and 43,830.10 is: 65,658.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,500.40 : 110,104.80 = 43,830.10 : x
  2. Step 2: Convert to fraction form
    73,500.40/110,104.80 = 43,830.10/x
  3. Step 3: Cross multiply
    73,500.40x = 110,104.80 × 43,830.10
  4. Step 4: Simplify right side
    73,500.40x = 4,825,904,394.48
  5. Step 5: Solve for x
    x = 4,825,904,394.48/73,500.40
  6. Step 6: Final answer
    x = 65,658.21

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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.