Home / 89,701.50-134,571.24-26,516.64

Finding the Fourth Proportional to 89,701.50, 134,571.24 and 26,516.64

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Solution

The fourth proportional to 89,701.50, 134,571.24 and 26,516.64 is: 39,780.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,701.50 : 134,571.24 = 26,516.64 : x
  2. Step 2: Convert to fraction form
    89,701.50/134,571.24 = 26,516.64/x
  3. Step 3: Cross multiply
    89,701.50x = 134,571.24 × 26,516.64
  4. Step 4: Simplify right side
    89,701.50x = 3,568,377,125.43
  5. Step 5: Solve for x
    x = 3,568,377,125.43/89,701.50
  6. Step 6: Final answer
    x = 39,780.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.