Home / 64,634.92-89,197.48-37,778.56

Finding the Fourth Proportional to 64,634.92, 89,197.48 and 37,778.56

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Solution

The fourth proportional to 64,634.92, 89,197.48 and 37,778.56 is: 52,135.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,634.92 : 89,197.48 = 37,778.56 : x
  2. Step 2: Convert to fraction form
    64,634.92/89,197.48 = 37,778.56/x
  3. Step 3: Cross multiply
    64,634.92x = 89,197.48 × 37,778.56
  4. Step 4: Simplify right side
    64,634.92x = 3,369,752,350.03
  5. Step 5: Solve for x
    x = 3,369,752,350.03/64,634.92
  6. Step 6: Final answer
    x = 52,135.17

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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.