Home / 69,814.62-96,402.35-64,749.33

Finding the Fourth Proportional to 69,814.62, 96,402.35 and 64,749.33

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Solution

The fourth proportional to 69,814.62, 96,402.35 and 64,749.33 is: 89,408.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,814.62 : 96,402.35 = 64,749.33 : x
  2. Step 2: Convert to fraction form
    69,814.62/96,402.35 = 64,749.33/x
  3. Step 3: Cross multiply
    69,814.62x = 96,402.35 × 64,749.33
  4. Step 4: Simplify right side
    69,814.62x = 6,241,987,249.18
  5. Step 5: Solve for x
    x = 6,241,987,249.18/69,814.62
  6. Step 6: Final answer
    x = 89,408.02

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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.