Home / 61,519.50-84,872.61-38,850.03

Finding the Fourth Proportional to 61,519.50, 84,872.61 and 38,850.03

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Solution

The fourth proportional to 61,519.50, 84,872.61 and 38,850.03 is: 53,597.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,519.50 : 84,872.61 = 38,850.03 : x
  2. Step 2: Convert to fraction form
    61,519.50/84,872.61 = 38,850.03/x
  3. Step 3: Cross multiply
    61,519.50x = 84,872.61 × 38,850.03
  4. Step 4: Simplify right side
    61,519.50x = 3,297,303,444.68
  5. Step 5: Solve for x
    x = 3,297,303,444.68/61,519.50
  6. Step 6: Final answer
    x = 53,597.70

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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.