Home / 64,949.49-89,650.68-38,102.85

Finding the Fourth Proportional to 64,949.49, 89,650.68 and 38,102.85

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Solution

The fourth proportional to 64,949.49, 89,650.68 and 38,102.85 is: 52,593.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,949.49 : 89,650.68 = 38,102.85 : x
  2. Step 2: Convert to fraction form
    64,949.49/89,650.68 = 38,102.85/x
  3. Step 3: Cross multiply
    64,949.49x = 89,650.68 × 38,102.85
  4. Step 4: Simplify right side
    64,949.49x = 3,415,946,412.44
  5. Step 5: Solve for x
    x = 3,415,946,412.44/64,949.49
  6. Step 6: Final answer
    x = 52,593.89

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1.5x scale

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.