Home / 69,882.14-96,434.35-39,666.92

Finding the Fourth Proportional to 69,882.14, 96,434.35 and 39,666.92

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Solution

The fourth proportional to 69,882.14, 96,434.35 and 39,666.92 is: 54,738.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,882.14 : 96,434.35 = 39,666.92 : x
  2. Step 2: Convert to fraction form
    69,882.14/96,434.35 = 39,666.92/x
  3. Step 3: Cross multiply
    69,882.14x = 96,434.35 × 39,666.92
  4. Step 4: Simplify right side
    69,882.14x = 3,825,253,065.36
  5. Step 5: Solve for x
    x = 3,825,253,065.36/69,882.14
  6. Step 6: Final answer
    x = 54,738.63

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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.