Home / 69,315.20-95,653.68-39,100.08

Finding the Fourth Proportional to 69,315.20, 95,653.68 and 39,100.08

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Solution

The fourth proportional to 69,315.20, 95,653.68 and 39,100.08 is: 53,957.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,315.20 : 95,653.68 = 39,100.08 : x
  2. Step 2: Convert to fraction form
    69,315.20/95,653.68 = 39,100.08/x
  3. Step 3: Cross multiply
    69,315.20x = 95,653.68 × 39,100.08
  4. Step 4: Simplify right side
    69,315.20x = 3,740,066,540.29
  5. Step 5: Solve for x
    x = 3,740,066,540.29/69,315.20
  6. Step 6: Final answer
    x = 53,957.38

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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.