Home / 69,107.12-95,368.50-38,480.64

Finding the Fourth Proportional to 69,107.12, 95,368.50 and 38,480.64

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Solution

The fourth proportional to 69,107.12, 95,368.50 and 38,480.64 is: 53,103.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,107.12 : 95,368.50 = 38,480.64 : x
  2. Step 2: Convert to fraction form
    69,107.12/95,368.50 = 38,480.64/x
  3. Step 3: Cross multiply
    69,107.12x = 95,368.50 × 38,480.64
  4. Step 4: Simplify right side
    69,107.12x = 3,669,840,723.44
  5. Step 5: Solve for x
    x = 3,669,840,723.44/69,107.12
  6. Step 6: Final answer
    x = 53,103.66

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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.