Home / 82,877.85-124,425.18-49,205.34

Finding the Fourth Proportional to 82,877.85, 124,425.18 and 49,205.34

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Solution

The fourth proportional to 82,877.85, 124,425.18 and 49,205.34 is: 73,872.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,877.85 : 124,425.18 = 49,205.34 : x
  2. Step 2: Convert to fraction form
    82,877.85/124,425.18 = 49,205.34/x
  3. Step 3: Cross multiply
    82,877.85x = 124,425.18 × 49,205.34
  4. Step 4: Simplify right side
    82,877.85x = 6,122,383,286.46
  5. Step 5: Solve for x
    x = 6,122,383,286.46/82,877.85
  6. Step 6: Final answer
    x = 73,872.37

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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.