Home / 69,845.13-96,216.93-51,909.03

Finding the Fourth Proportional to 69,845.13, 96,216.93 and 51,909.03

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Solution

The fourth proportional to 69,845.13, 96,216.93 and 51,909.03 is: 71,508.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,845.13 : 96,216.93 = 51,909.03 : x
  2. Step 2: Convert to fraction form
    69,845.13/96,216.93 = 51,909.03/x
  3. Step 3: Cross multiply
    69,845.13x = 96,216.93 × 51,909.03
  4. Step 4: Simplify right side
    69,845.13x = 4,994,527,505.88
  5. Step 5: Solve for x
    x = 4,994,527,505.88/69,845.13
  6. Step 6: Final answer
    x = 71,508.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.