Home / 65,106.45-89,846.42-36,813.15

Finding the Fourth Proportional to 65,106.45, 89,846.42 and 36,813.15

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Solution

The fourth proportional to 65,106.45, 89,846.42 and 36,813.15 is: 50,801.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,106.45 : 89,846.42 = 36,813.15 : x
  2. Step 2: Convert to fraction form
    65,106.45/89,846.42 = 36,813.15/x
  3. Step 3: Cross multiply
    65,106.45x = 89,846.42 × 36,813.15
  4. Step 4: Simplify right side
    65,106.45x = 3,307,529,552.36
  5. Step 5: Solve for x
    x = 3,307,529,552.36/65,106.45
  6. Step 6: Final answer
    x = 50,801.87

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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.