Home / 73,308.34-109,995.30-42,143.62

Finding the Fourth Proportional to 73,308.34, 109,995.30 and 42,143.62

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Solution

The fourth proportional to 73,308.34, 109,995.30 and 42,143.62 is: 63,234.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,308.34 : 109,995.30 = 42,143.62 : x
  2. Step 2: Convert to fraction form
    73,308.34/109,995.30 = 42,143.62/x
  3. Step 3: Cross multiply
    73,308.34x = 109,995.30 × 42,143.62
  4. Step 4: Simplify right side
    73,308.34x = 4,635,600,124.99
  5. Step 5: Solve for x
    x = 4,635,600,124.99/73,308.34
  6. Step 6: Final answer
    x = 63,234.28

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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.