Home / 63,517.14-87,433.65-54,899.40

Finding the Fourth Proportional to 63,517.14, 87,433.65 and 54,899.40

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Solution

The fourth proportional to 63,517.14, 87,433.65 and 54,899.40 is: 75,571.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,517.14 : 87,433.65 = 54,899.40 : x
  2. Step 2: Convert to fraction form
    63,517.14/87,433.65 = 54,899.40/x
  3. Step 3: Cross multiply
    63,517.14x = 87,433.65 × 54,899.40
  4. Step 4: Simplify right side
    63,517.14x = 4,800,054,669.37
  5. Step 5: Solve for x
    x = 4,800,054,669.37/63,517.14
  6. Step 6: Final answer
    x = 75,571.02

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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.