Home / 65,065.14-89,778.17-36,385.37

Finding the Fourth Proportional to 65,065.14, 89,778.17 and 36,385.37

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Solution

The fourth proportional to 65,065.14, 89,778.17 and 36,385.37 is: 50,205.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,065.14 : 89,778.17 = 36,385.37 : x
  2. Step 2: Convert to fraction form
    65,065.14/89,778.17 = 36,385.37/x
  3. Step 3: Cross multiply
    65,065.14x = 89,778.17 × 36,385.37
  4. Step 4: Simplify right side
    65,065.14x = 3,266,611,912.11
  5. Step 5: Solve for x
    x = 3,266,611,912.11/65,065.14
  6. Step 6: Final answer
    x = 50,205.25

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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.