Home / 73,680.96-110,442.75-42,022.86

Finding the Fourth Proportional to 73,680.96, 110,442.75 and 42,022.86

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Solution

The fourth proportional to 73,680.96, 110,442.75 and 42,022.86 is: 62,989.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,680.96 : 110,442.75 = 42,022.86 : x
  2. Step 2: Convert to fraction form
    73,680.96/110,442.75 = 42,022.86/x
  3. Step 3: Cross multiply
    73,680.96x = 110,442.75 × 42,022.86
  4. Step 4: Simplify right side
    73,680.96x = 4,641,120,221.27
  5. Step 5: Solve for x
    x = 4,641,120,221.27/73,680.96
  6. Step 6: Final answer
    x = 62,989.41

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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.