Home / 69,824.08-96,357.90-39,608.38

Finding the Fourth Proportional to 69,824.08, 96,357.90 and 39,608.38

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Solution

The fourth proportional to 69,824.08, 96,357.90 and 39,608.38 is: 54,659.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,824.08 : 96,357.90 = 39,608.38 : x
  2. Step 2: Convert to fraction form
    69,824.08/96,357.90 = 39,608.38/x
  3. Step 3: Cross multiply
    69,824.08x = 96,357.90 × 39,608.38
  4. Step 4: Simplify right side
    69,824.08x = 3,816,580,319.20
  5. Step 5: Solve for x
    x = 3,816,580,319.20/69,824.08
  6. Step 6: Final answer
    x = 54,659.94

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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.