Home / 69,479.55-95,897.52-39,282.36

Finding the Fourth Proportional to 69,479.55, 95,897.52 and 39,282.36

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Solution

The fourth proportional to 69,479.55, 95,897.52 and 39,282.36 is: 54,218.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,479.55 : 95,897.52 = 39,282.36 : x
  2. Step 2: Convert to fraction form
    69,479.55/95,897.52 = 39,282.36/x
  3. Step 3: Cross multiply
    69,479.55x = 95,897.52 × 39,282.36
  4. Step 4: Simplify right side
    69,479.55x = 3,767,080,903.75
  5. Step 5: Solve for x
    x = 3,767,080,903.75/69,479.55
  6. Step 6: Final answer
    x = 54,218.56

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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.