Home / 69,315.38-95,650.77-39,505.46

Finding the Fourth Proportional to 69,315.38, 95,650.77 and 39,505.46

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Solution

The fourth proportional to 69,315.38, 95,650.77 and 39,505.46 is: 54,515.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,315.38 : 95,650.77 = 39,505.46 : x
  2. Step 2: Convert to fraction form
    69,315.38/95,650.77 = 39,505.46/x
  3. Step 3: Cross multiply
    69,315.38x = 95,650.77 × 39,505.46
  4. Step 4: Simplify right side
    69,315.38x = 3,778,727,668.20
  5. Step 5: Solve for x
    x = 3,778,727,668.20/69,315.38
  6. Step 6: Final answer
    x = 54,515.00

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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.