Home / 69,711.35-96,219.15-39,514.68

Finding the Fourth Proportional to 69,711.35, 96,219.15 and 39,514.68

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Solution

The fourth proportional to 69,711.35, 96,219.15 and 39,514.68 is: 54,540.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,711.35 : 96,219.15 = 39,514.68 : x
  2. Step 2: Convert to fraction form
    69,711.35/96,219.15 = 39,514.68/x
  3. Step 3: Cross multiply
    69,711.35x = 96,219.15 × 39,514.68
  4. Step 4: Simplify right side
    69,711.35x = 3,802,068,922.12
  5. Step 5: Solve for x
    x = 3,802,068,922.12/69,711.35
  6. Step 6: Final answer
    x = 54,540.17

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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.