Home / 71,850.90-99,150.32-39,584.46

Finding the Fourth Proportional to 71,850.90, 99,150.32 and 39,584.46

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Solution

The fourth proportional to 71,850.90, 99,150.32 and 39,584.46 is: 54,624.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,850.90 : 99,150.32 = 39,584.46 : x
  2. Step 2: Convert to fraction form
    71,850.90/99,150.32 = 39,584.46/x
  3. Step 3: Cross multiply
    71,850.90x = 99,150.32 × 39,584.46
  4. Step 4: Simplify right side
    71,850.90x = 3,924,811,876.03
  5. Step 5: Solve for x
    x = 3,924,811,876.03/71,850.90
  6. Step 6: Final answer
    x = 54,624.39

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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.