Home / 65,199.84-89,961.94-38,332.54

Finding the Fourth Proportional to 65,199.84, 89,961.94 and 38,332.54

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Solution

The fourth proportional to 65,199.84, 89,961.94 and 38,332.54 is: 52,890.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,199.84 : 89,961.94 = 38,332.54 : x
  2. Step 2: Convert to fraction form
    65,199.84/89,961.94 = 38,332.54/x
  3. Step 3: Cross multiply
    65,199.84x = 89,961.94 × 38,332.54
  4. Step 4: Simplify right side
    65,199.84x = 3,448,469,823.90
  5. Step 5: Solve for x
    x = 3,448,469,823.90/65,199.84
  6. Step 6: Final answer
    x = 52,890.77

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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.