Home / 66,877.09-92,289.81-36,661.87

Finding the Fourth Proportional to 66,877.09, 92,289.81 and 36,661.87

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Solution

The fourth proportional to 66,877.09, 92,289.81 and 36,661.87 is: 50,593.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,877.09 : 92,289.81 = 36,661.87 : x
  2. Step 2: Convert to fraction form
    66,877.09/92,289.81 = 36,661.87/x
  3. Step 3: Cross multiply
    66,877.09x = 92,289.81 × 36,661.87
  4. Step 4: Simplify right side
    66,877.09x = 3,383,516,440.92
  5. Step 5: Solve for x
    x = 3,383,516,440.92/66,877.09
  6. Step 6: Final answer
    x = 50,593.05

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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.