Home / 43,472.02-65,148.87-18,480.66

Finding the Fourth Proportional to 43,472.02, 65,148.87 and 18,480.66

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Solution

The fourth proportional to 43,472.02, 65,148.87 and 18,480.66 is: 27,695.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,472.02 : 65,148.87 = 18,480.66 : x
  2. Step 2: Convert to fraction form
    43,472.02/65,148.87 = 18,480.66/x
  3. Step 3: Cross multiply
    43,472.02x = 65,148.87 × 18,480.66
  4. Step 4: Simplify right side
    43,472.02x = 1,203,994,115.85
  5. Step 5: Solve for x
    x = 1,203,994,115.85/43,472.02
  6. Step 6: Final answer
    x = 27,695.84

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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.